Fresh start

1 files changed, 1187 insertions, 0 deletions

diff --git a/jni/ruby/internal.h b/jni/ruby/internal.h
new file mode 100644
index 0000000..9161122
--- /dev/null
+++ b/jni/ruby/internal.h
@@ -0,0 +1,1187 @@
+/**********************************************************************
+
+  internal.h -
+
+  $Author$
+  created at: Tue May 17 11:42:20 JST 2011
+
+  Copyright (C) 2011 Yukihiro Matsumoto
+
+**********************************************************************/
+
+#ifndef RUBY_INTERNAL_H
+#define RUBY_INTERNAL_H 1
+
+#include "ruby.h"
+#include "ruby/encoding.h"
+#include "ruby/io.h"
+
+#if defined(__cplusplus)
+extern "C" {
+#if 0
+} /* satisfy cc-mode */
+#endif
+#endif
+
+/* likely */
+#if __GNUC__ >= 3
+#define LIKELY(x)   (__builtin_expect((x), 1))
+#define UNLIKELY(x) (__builtin_expect((x), 0))
+#else /* __GNUC__ >= 3 */
+#define LIKELY(x)   (x)
+#define UNLIKELY(x) (x)
+#endif /* __GNUC__ >= 3 */
+
+#ifndef __has_attribute
+# define __has_attribute(x) 0
+#endif
+
+#if __has_attribute(unused)
+#define UNINITIALIZED_VAR(x) x __attribute__((unused))
+#elif defined(__GNUC__) && __GNUC__ >= 3
+#define UNINITIALIZED_VAR(x) x = x
+#else
+#define UNINITIALIZED_VAR(x) x
+#endif
+
+#if __has_attribute(warn_unused_result)
+#define WARN_UNUSED_RESULT(x) x __attribute__((warn_unused_result))
+#elif defined(__GNUC__) && (__GNUC__ * 1000 + __GNUC_MINOR__) >= 3004
+#define WARN_UNUSED_RESULT(x) x __attribute__((warn_unused_result))
+#else
+#define WARN_UNUSED_RESULT(x) x
+#endif
+
+#ifdef HAVE_VALGRIND_MEMCHECK_H
+# include <valgrind/memcheck.h>
+# ifndef VALGRIND_MAKE_MEM_DEFINED
+#  define VALGRIND_MAKE_MEM_DEFINED(p, n) VALGRIND_MAKE_READABLE((p), (n))
+# endif
+# ifndef VALGRIND_MAKE_MEM_UNDEFINED
+#  define VALGRIND_MAKE_MEM_UNDEFINED(p, n) VALGRIND_MAKE_WRITABLE((p), (n))
+# endif
+#else
+# define VALGRIND_MAKE_MEM_DEFINED(p, n) 0
+# define VALGRIND_MAKE_MEM_UNDEFINED(p, n) 0
+#endif
+
+#define numberof(array) ((int)(sizeof(array) / sizeof((array)[0])))
+
+#define GCC_VERSION_SINCE(major, minor, patchlevel) \
+  (defined(__GNUC__) && !defined(__INTEL_COMPILER) && \
+   ((__GNUC__ > (major)) ||  \
+    (__GNUC__ == (major) && __GNUC_MINOR__ > (minor)) || \
+    (__GNUC__ == (major) && __GNUC_MINOR__ == (minor) && __GNUC_PATCHLEVEL__ >= (patchlevel))))
+
+#if GCC_VERSION_SINCE(4, 6, 0)
+# define STATIC_ASSERT(name, expr) _Static_assert(expr, #name ": " #expr)
+#else
+# define STATIC_ASSERT(name, expr) typedef int static_assert_##name##_check[1 - 2*!(expr)]
+#endif
+
+#define SIGNED_INTEGER_TYPE_P(int_type) (0 > ((int_type)0)-1)
+#define SIGNED_INTEGER_MAX(sint_type) \
+  (sint_type) \
+  ((((sint_type)1) << (sizeof(sint_type) * CHAR_BIT - 2)) | \
+  ((((sint_type)1) << (sizeof(sint_type) * CHAR_BIT - 2)) - 1))
+#define SIGNED_INTEGER_MIN(sint_type) (-SIGNED_INTEGER_MAX(sint_type)-1)
+#define UNSIGNED_INTEGER_MAX(uint_type) (~(uint_type)0)
+
+#if SIGNEDNESS_OF_TIME_T < 0	/* signed */
+# define TIMET_MAX SIGNED_INTEGER_MAX(time_t)
+# define TIMET_MIN SIGNED_INTEGER_MIN(time_t)
+#elif SIGNEDNESS_OF_TIME_T > 0	/* unsigned */
+# define TIMET_MAX UNSIGNED_INTEGER_MAX(time_t)
+# define TIMET_MIN ((time_t)0)
+#endif
+#define TIMET_MAX_PLUS_ONE (2*(double)(TIMET_MAX/2+1))
+
+#define MUL_OVERFLOW_SIGNED_INTEGER_P(a, b, min, max) ( \
+    (a) == 0 ? 0 : \
+    (a) == -1 ? (b) < -(max) : \
+    (a) > 0 ? \
+      ((b) > 0 ? (max) / (a) < (b) : (min) / (a) > (b)) : \
+      ((b) > 0 ? (min) / (a) < (b) : (max) / (a) > (b)))
+#define MUL_OVERFLOW_FIXNUM_P(a, b) MUL_OVERFLOW_SIGNED_INTEGER_P(a, b, FIXNUM_MIN, FIXNUM_MAX)
+#define MUL_OVERFLOW_LONG_P(a, b) MUL_OVERFLOW_SIGNED_INTEGER_P(a, b, LONG_MIN, LONG_MAX)
+#define MUL_OVERFLOW_INT_P(a, b) MUL_OVERFLOW_SIGNED_INTEGER_P(a, b, INT_MIN, INT_MAX)
+
+#ifndef swap16
+# ifdef HAVE_BUILTIN___BUILTIN_BSWAP16
+#  define swap16(x) __builtin_bswap16(x)
+# endif
+#endif
+
+#ifndef swap16
+# define swap16(x)      ((uint16_t)((((x)&0xFF)<<8) | (((x)>>8)&0xFF)))
+#endif
+
+#ifndef swap32
+# ifdef HAVE_BUILTIN___BUILTIN_BSWAP32
+#  define swap32(x) __builtin_bswap32(x)
+# endif
+#endif
+
+#ifndef swap32
+# define swap32(x)      ((uint32_t)((((x)&0xFF)<<24)    \
+                        |(((x)>>24)&0xFF)       \
+                        |(((x)&0x0000FF00)<<8)  \
+                        |(((x)&0x00FF0000)>>8)  ))
+#endif
+
+#ifndef swap64
+# ifdef HAVE_BUILTIN___BUILTIN_BSWAP64
+#  define swap64(x) __builtin_bswap64(x)
+# endif
+#endif
+
+#ifndef swap64
+# ifdef HAVE_INT64_T
+#  define byte_in_64bit(n) ((uint64_t)0xff << (n))
+#  define swap64(x)       ((uint64_t)((((x)&byte_in_64bit(0))<<56)      \
+                           |(((x)>>56)&0xFF)                    \
+                           |(((x)&byte_in_64bit(8))<<40)        \
+                           |(((x)&byte_in_64bit(48))>>40)       \
+                           |(((x)&byte_in_64bit(16))<<24)       \
+                           |(((x)&byte_in_64bit(40))>>24)       \
+                           |(((x)&byte_in_64bit(24))<<8)        \
+                           |(((x)&byte_in_64bit(32))>>8)))
+# endif
+#endif
+
+static inline int
+nlz_int(unsigned int x)
+{
+#if defined(HAVE_BUILTIN___BUILTIN_CLZ)
+    if (x == 0) return SIZEOF_INT * CHAR_BIT;
+    return __builtin_clz(x);
+#else
+    unsigned int y;
+# if 64 < SIZEOF_INT * CHAR_BIT
+    int n = 128;
+# elif 32 < SIZEOF_INT * CHAR_BIT
+    int n = 64;
+# else
+    int n = 32;
+# endif
+# if 64 < SIZEOF_INT * CHAR_BIT
+    y = x >> 64; if (y) {n -= 64; x = y;}
+# endif
+# if 32 < SIZEOF_INT * CHAR_BIT
+    y = x >> 32; if (y) {n -= 32; x = y;}
+# endif
+    y = x >> 16; if (y) {n -= 16; x = y;}
+    y = x >>  8; if (y) {n -=  8; x = y;}
+    y = x >>  4; if (y) {n -=  4; x = y;}
+    y = x >>  2; if (y) {n -=  2; x = y;}
+    y = x >>  1; if (y) {return n - 2;}
+    return (int)(n - x);
+#endif
+}
+
+static inline int
+nlz_long(unsigned long x)
+{
+#if defined(HAVE_BUILTIN___BUILTIN_CLZL)
+    if (x == 0) return SIZEOF_LONG * CHAR_BIT;
+    return __builtin_clzl(x);
+#else
+    unsigned long y;
+# if 64 < SIZEOF_LONG * CHAR_BIT
+    int n = 128;
+# elif 32 < SIZEOF_LONG * CHAR_BIT
+    int n = 64;
+# else
+    int n = 32;
+# endif
+# if 64 < SIZEOF_LONG * CHAR_BIT
+    y = x >> 64; if (y) {n -= 64; x = y;}
+# endif
+# if 32 < SIZEOF_LONG * CHAR_BIT
+    y = x >> 32; if (y) {n -= 32; x = y;}
+# endif
+    y = x >> 16; if (y) {n -= 16; x = y;}
+    y = x >>  8; if (y) {n -=  8; x = y;}
+    y = x >>  4; if (y) {n -=  4; x = y;}
+    y = x >>  2; if (y) {n -=  2; x = y;}
+    y = x >>  1; if (y) {return n - 2;}
+    return (int)(n - x);
+#endif
+}
+
+#ifdef HAVE_LONG_LONG
+static inline int
+nlz_long_long(unsigned LONG_LONG x)
+{
+#if defined(HAVE_BUILTIN___BUILTIN_CLZLL)
+    if (x == 0) return SIZEOF_LONG_LONG * CHAR_BIT;
+    return __builtin_clzll(x);
+#else
+    unsigned LONG_LONG y;
+# if 64 < SIZEOF_LONG_LONG * CHAR_BIT
+    int n = 128;
+# elif 32 < SIZEOF_LONG_LONG * CHAR_BIT
+    int n = 64;
+# else
+    int n = 32;
+# endif
+# if 64 < SIZEOF_LONG_LONG * CHAR_BIT
+    y = x >> 64; if (y) {n -= 64; x = y;}
+# endif
+# if 32 < SIZEOF_LONG_LONG * CHAR_BIT
+    y = x >> 32; if (y) {n -= 32; x = y;}
+# endif
+    y = x >> 16; if (y) {n -= 16; x = y;}
+    y = x >>  8; if (y) {n -=  8; x = y;}
+    y = x >>  4; if (y) {n -=  4; x = y;}
+    y = x >>  2; if (y) {n -=  2; x = y;}
+    y = x >>  1; if (y) {return n - 2;}
+    return (int)(n - x);
+#endif
+}
+#endif
+
+#ifdef HAVE_UINT128_T
+static inline int
+nlz_int128(uint128_t x)
+{
+    uint128_t y;
+    int n = 128;
+    y = x >> 64; if (y) {n -= 64; x = y;}
+    y = x >> 32; if (y) {n -= 32; x = y;}
+    y = x >> 16; if (y) {n -= 16; x = y;}
+    y = x >>  8; if (y) {n -=  8; x = y;}
+    y = x >>  4; if (y) {n -=  4; x = y;}
+    y = x >>  2; if (y) {n -=  2; x = y;}
+    y = x >>  1; if (y) {return n - 2;}
+    return (int)(n - x);
+}
+#endif
+
+#if defined(HAVE_UINT128_T)
+#   define bit_length(x) \
+    (sizeof(x) <= SIZEOF_INT ? SIZEOF_INT * CHAR_BIT - nlz_int((unsigned int)(x)) : \
+     sizeof(x) <= SIZEOF_LONG ? SIZEOF_LONG * CHAR_BIT - nlz_long((unsigned long)(x)) : \
+     sizeof(x) <= SIZEOF_LONG_LONG ? SIZEOF_LONG_LONG * CHAR_BIT - nlz_long_long((unsigned LONG_LONG)(x)) : \
+     SIZEOF_INT128_T * CHAR_BIT - nlz_int128((uint128_t)(x)))
+#elif defined(HAVE_LONG_LONG)
+#   define bit_length(x) \
+    (sizeof(x) <= SIZEOF_INT ? SIZEOF_INT * CHAR_BIT - nlz_int((unsigned int)(x)) : \
+     sizeof(x) <= SIZEOF_LONG ? SIZEOF_LONG * CHAR_BIT - nlz_long((unsigned long)(x)) : \
+     SIZEOF_LONG_LONG * CHAR_BIT - nlz_long_long((unsigned LONG_LONG)(x)))
+#else
+#   define bit_length(x) \
+    (sizeof(x) <= SIZEOF_INT ? SIZEOF_INT * CHAR_BIT - nlz_int((unsigned int)(x)) : \
+     SIZEOF_LONG * CHAR_BIT - nlz_long((unsigned long)(x)))
+#endif
+
+struct rb_deprecated_classext_struct {
+    char conflict[sizeof(VALUE) * 3];
+};
+
+struct rb_subclass_entry;
+typedef struct rb_subclass_entry rb_subclass_entry_t;
+
+struct rb_subclass_entry {
+    VALUE klass;
+    rb_subclass_entry_t *next;
+};
+
+#if defined(HAVE_LONG_LONG)
+typedef unsigned LONG_LONG rb_serial_t;
+#define SERIALT2NUM ULL2NUM
+#elif defined(HAVE_UINT64_T)
+typedef uint64_t rb_serial_t;
+#define SERIALT2NUM SIZET2NUM
+#else
+typedef unsigned long rb_serial_t;
+#define SERIALT2NUM ULONG2NUM
+#endif
+
+struct rb_classext_struct {
+    struct st_table *iv_index_tbl;
+    struct st_table *iv_tbl;
+    struct st_table *const_tbl;
+    rb_subclass_entry_t *subclasses;
+    rb_subclass_entry_t **parent_subclasses;
+    /**
+     * In the case that this is an `ICLASS`, `module_subclasses` points to the link
+     * in the module's `subclasses` list that indicates that the klass has been
+     * included. Hopefully that makes sense.
+     */
+    rb_subclass_entry_t **module_subclasses;
+    rb_serial_t class_serial;
+    VALUE origin;
+    VALUE refined_class;
+    rb_alloc_func_t allocator;
+};
+
+struct method_table_wrapper {
+    st_table *tbl;
+    size_t serial;
+};
+
+#ifndef BDIGIT
+# if SIZEOF_INT*2 <= SIZEOF_LONG_LONG
+#  define BDIGIT unsigned int
+#  define SIZEOF_BDIGIT SIZEOF_INT
+#  define BDIGIT_DBL unsigned LONG_LONG
+#  define BDIGIT_DBL_SIGNED LONG_LONG
+#  define PRI_BDIGIT_PREFIX ""
+#  define PRI_BDIGIT_DBL_PREFIX PRI_LL_PREFIX
+# elif SIZEOF_INT*2 <= SIZEOF_LONG
+#  define BDIGIT unsigned int
+#  define SIZEOF_BDIGIT SIZEOF_INT
+#  define BDIGIT_DBL unsigned long
+#  define BDIGIT_DBL_SIGNED long
+#  define PRI_BDIGIT_PREFIX ""
+#  define PRI_BDIGIT_DBL_PREFIX "l"
+# elif SIZEOF_SHORT*2 <= SIZEOF_LONG
+#  define BDIGIT unsigned short
+#  define SIZEOF_BDIGIT SIZEOF_SHORT
+#  define BDIGIT_DBL unsigned long
+#  define BDIGIT_DBL_SIGNED long
+#  define PRI_BDIGIT_PREFIX "h"
+#  define PRI_BDIGIT_DBL_PREFIX "l"
+# else
+#  define BDIGIT unsigned short
+#  define SIZEOF_BDIGIT (SIZEOF_LONG/2)
+#  define SIZEOF_ACTUAL_BDIGIT SIZEOF_LONG
+#  define BDIGIT_DBL unsigned long
+#  define BDIGIT_DBL_SIGNED long
+#  define PRI_BDIGIT_PREFIX "h"
+#  define PRI_BDIGIT_DBL_PREFIX "l"
+# endif
+#endif
+#ifndef SIZEOF_ACTUAL_BDIGIT
+# define SIZEOF_ACTUAL_BDIGIT SIZEOF_BDIGIT
+#endif
+
+#ifdef PRI_BDIGIT_PREFIX
+# define PRIdBDIGIT PRI_BDIGIT_PREFIX"d"
+# define PRIiBDIGIT PRI_BDIGIT_PREFIX"i"
+# define PRIoBDIGIT PRI_BDIGIT_PREFIX"o"
+# define PRIuBDIGIT PRI_BDIGIT_PREFIX"u"
+# define PRIxBDIGIT PRI_BDIGIT_PREFIX"x"
+# define PRIXBDIGIT PRI_BDIGIT_PREFIX"X"
+#endif
+
+#ifdef PRI_BDIGIT_DBL_PREFIX
+# define PRIdBDIGIT_DBL PRI_BDIGIT_DBL_PREFIX"d"
+# define PRIiBDIGIT_DBL PRI_BDIGIT_DBL_PREFIX"i"
+# define PRIoBDIGIT_DBL PRI_BDIGIT_DBL_PREFIX"o"
+# define PRIuBDIGIT_DBL PRI_BDIGIT_DBL_PREFIX"u"
+# define PRIxBDIGIT_DBL PRI_BDIGIT_DBL_PREFIX"x"
+# define PRIXBDIGIT_DBL PRI_BDIGIT_DBL_PREFIX"X"
+#endif
+
+#define BIGNUM_EMBED_LEN_NUMBITS 3
+#ifndef BIGNUM_EMBED_LEN_MAX
+# if (SIZEOF_VALUE*3/SIZEOF_ACTUAL_BDIGIT) < (1 << BIGNUM_EMBED_LEN_NUMBITS)-1
+#   define BIGNUM_EMBED_LEN_MAX (SIZEOF_VALUE*3/SIZEOF_ACTUAL_BDIGIT)
+# else
+#   define BIGNUM_EMBED_LEN_MAX ((1 << BIGNUM_EMBED_LEN_NUMBITS)-1)
+# endif
+#endif
+
+struct RBignum {
+    struct RBasic basic;
+    union {
+        struct {
+            size_t len;
+            BDIGIT *digits;
+        } heap;
+        BDIGIT ary[BIGNUM_EMBED_LEN_MAX];
+    } as;
+};
+#define BIGNUM_SIGN_BIT FL_USER1
+/* sign: positive:1, negative:0 */
+#define BIGNUM_SIGN(b) ((RBASIC(b)->flags & BIGNUM_SIGN_BIT) != 0)
+#define BIGNUM_SET_SIGN(b,sign) \
+  ((sign) ? (RBASIC(b)->flags |= BIGNUM_SIGN_BIT) \
+          : (RBASIC(b)->flags &= ~BIGNUM_SIGN_BIT))
+#define BIGNUM_POSITIVE_P(b) BIGNUM_SIGN(b)
+#define BIGNUM_NEGATIVE_P(b) (!BIGNUM_SIGN(b))
+
+#define BIGNUM_EMBED_FLAG FL_USER2
+#define BIGNUM_EMBED_LEN_MASK (FL_USER5|FL_USER4|FL_USER3)
+#define BIGNUM_EMBED_LEN_SHIFT (FL_USHIFT+BIGNUM_EMBED_LEN_NUMBITS)
+#define BIGNUM_LEN(b) \
+    ((RBASIC(b)->flags & BIGNUM_EMBED_FLAG) ? \
+     (long)((RBASIC(b)->flags >> BIGNUM_EMBED_LEN_SHIFT) & \
+            (BIGNUM_EMBED_LEN_MASK >> BIGNUM_EMBED_LEN_SHIFT)) : \
+     RBIGNUM(b)->as.heap.len)
+/* LSB:BIGNUM_DIGITS(b)[0], MSB:BIGNUM_DIGITS(b)[BIGNUM_LEN(b)-1] */
+#define BIGNUM_DIGITS(b) \
+    ((RBASIC(b)->flags & BIGNUM_EMBED_FLAG) ? \
+     RBIGNUM(b)->as.ary : \
+     RBIGNUM(b)->as.heap.digits)
+#define BIGNUM_LENINT(b) rb_long2int(BIGNUM_LEN(b))
+
+#define RBIGNUM(obj) (R_CAST(RBignum)(obj))
+
+struct RRational {
+    struct RBasic basic;
+    const VALUE num;
+    const VALUE den;
+};
+
+#define RRATIONAL(obj) (R_CAST(RRational)(obj))
+
+struct RFloat {
+    struct RBasic basic;
+    double float_value;
+};
+
+#define RFLOAT(obj)  (R_CAST(RFloat)(obj))
+
+struct RComplex {
+    struct RBasic basic;
+    const VALUE real;
+    const VALUE imag;
+};
+
+#define RCOMPLEX(obj) (R_CAST(RComplex)(obj))
+
+#ifdef RCOMPLEX_SET_REAL        /* shortcut macro for internal only */
+#undef RCOMPLEX_SET_REAL
+#undef RCOMPLEX_SET_REAL
+#define RCOMPLEX_SET_REAL(cmp, r) RB_OBJ_WRITE((cmp), &((struct RComplex *)(cmp))->real,(r))
+#define RCOMPLEX_SET_IMAG(cmp, i) RB_OBJ_WRITE((cmp), &((struct RComplex *)(cmp))->imag,(i))
+#endif
+
+struct RHash {
+    struct RBasic basic;
+    struct st_table *ntbl;      /* possibly 0 */
+    int iter_lev;
+    const VALUE ifnone;
+};
+
+#define RHASH(obj)   (R_CAST(RHash)(obj))
+
+#ifdef RHASH_ITER_LEV
+#undef RHASH_ITER_LEV
+#undef RHASH_IFNONE
+#undef RHASH_SIZE
+#define RHASH_ITER_LEV(h) (RHASH(h)->iter_lev)
+#define RHASH_IFNONE(h) (RHASH(h)->ifnone)
+#define RHASH_SIZE(h) (RHASH(h)->ntbl ? (st_index_t)RHASH(h)->ntbl->num_entries : 0)
+#endif
+
+/* missing/setproctitle.c */
+#ifndef HAVE_SETPROCTITLE
+extern void ruby_init_setproctitle(int argc, char *argv[]);
+#endif
+
+/* class.c */
+void rb_class_subclass_add(VALUE super, VALUE klass);
+void rb_class_remove_from_super_subclasses(VALUE);
+
+#define RCLASS_EXT(c) (RCLASS(c)->ptr)
+#define RCLASS_IV_TBL(c) (RCLASS_EXT(c)->iv_tbl)
+#define RCLASS_CONST_TBL(c) (RCLASS_EXT(c)->const_tbl)
+#define RCLASS_M_TBL_WRAPPER(c) (RCLASS(c)->m_tbl_wrapper)
+#define RCLASS_M_TBL(c) (RCLASS_M_TBL_WRAPPER(c) ? RCLASS_M_TBL_WRAPPER(c)->tbl : 0)
+#define RCLASS_IV_INDEX_TBL(c) (RCLASS_EXT(c)->iv_index_tbl)
+#define RCLASS_ORIGIN(c) (RCLASS_EXT(c)->origin)
+#define RCLASS_REFINED_CLASS(c) (RCLASS_EXT(c)->refined_class)
+#define RCLASS_SERIAL(c) (RCLASS_EXT(c)->class_serial)
+
+static inline void
+RCLASS_M_TBL_INIT(VALUE c)
+{
+    struct method_table_wrapper *wrapper;
+    wrapper = ALLOC(struct method_table_wrapper);
+    wrapper->tbl = st_init_numtable();
+    wrapper->serial = 0;
+    RCLASS_M_TBL_WRAPPER(c) = wrapper;
+}
+
+#undef RCLASS_SUPER
+static inline VALUE
+RCLASS_SUPER(VALUE klass)
+{
+    return RCLASS(klass)->super;
+}
+
+static inline VALUE
+RCLASS_SET_SUPER(VALUE klass, VALUE super)
+{
+    if (super) {
+	rb_class_remove_from_super_subclasses(klass);
+	rb_class_subclass_add(super, klass);
+    }
+    RB_OBJ_WRITE(klass, &RCLASS(klass)->super, super);
+    return super;
+}
+
+struct vtm; /* defined by timev.h */
+
+/* array.c */
+VALUE rb_ary_last(int, const VALUE *, VALUE);
+void rb_ary_set_len(VALUE, long);
+void rb_ary_delete_same(VALUE, VALUE);
+VALUE rb_ary_tmp_new_fill(long capa);
+size_t rb_ary_memsize(VALUE);
+#ifdef __GNUC__
+#define rb_ary_new_from_args(n, ...) \
+    __extension__ ({ \
+	const VALUE args_to_new_ary[] = {__VA_ARGS__}; \
+	if (__builtin_constant_p(n)) { \
+	    STATIC_ASSERT(rb_ary_new_from_args, numberof(args_to_new_ary) == (n)); \
+	} \
+	rb_ary_new_from_values(numberof(args_to_new_ary), args_to_new_ary); \
+    })
+#endif
+
+/* bignum.c */
+extern const char ruby_digitmap[];
+VALUE rb_big_fdiv(VALUE x, VALUE y);
+VALUE rb_big_uminus(VALUE x);
+VALUE rb_integer_float_cmp(VALUE x, VALUE y);
+VALUE rb_integer_float_eq(VALUE x, VALUE y);
+
+/* class.c */
+void rb_class_foreach_subclass(VALUE klass, void(*f)(VALUE));
+void rb_class_detach_subclasses(VALUE);
+void rb_class_detach_module_subclasses(VALUE);
+void rb_class_remove_from_module_subclasses(VALUE);
+VALUE rb_obj_methods(int argc, const VALUE *argv, VALUE obj);
+VALUE rb_obj_protected_methods(int argc, const VALUE *argv, VALUE obj);
+VALUE rb_obj_private_methods(int argc, const VALUE *argv, VALUE obj);
+VALUE rb_obj_public_methods(int argc, const VALUE *argv, VALUE obj);
+int rb_obj_basic_to_s_p(VALUE);
+VALUE rb_special_singleton_class(VALUE);
+VALUE rb_singleton_class_clone_and_attach(VALUE obj, VALUE attach);
+VALUE rb_singleton_class_get(VALUE obj);
+void Init_class_hierarchy(void);
+
+/* compar.c */
+VALUE rb_invcmp(VALUE, VALUE);
+
+/* compile.c */
+int rb_dvar_defined(ID);
+int rb_local_defined(ID);
+int rb_parse_in_eval(void);
+int rb_parse_in_main(void);
+const char * rb_insns_name(int i);
+VALUE rb_insns_name_array(void);
+
+/* cont.c */
+VALUE rb_obj_is_fiber(VALUE);
+void rb_fiber_reset_root_local_storage(VALUE);
+void ruby_register_rollback_func_for_ensure(VALUE (*ensure_func)(ANYARGS), VALUE (*rollback_func)(ANYARGS));
+
+/* debug.c */
+PRINTF_ARGS(void ruby_debug_printf(const char*, ...), 1, 2);
+
+/* dmyext.c */
+void Init_enc(void);
+void Init_ext(void);
+
+/* encoding.c */
+enum ruby_preserved_encindex {
+    ENCINDEX_ASCII,
+    ENCINDEX_UTF_8,
+    ENCINDEX_US_ASCII,
+
+    /* preserved indexes */
+    ENCINDEX_UTF_16BE,
+    ENCINDEX_UTF_16LE,
+    ENCINDEX_UTF_32BE,
+    ENCINDEX_UTF_32LE,
+    ENCINDEX_UTF_16,
+    ENCINDEX_UTF_32,
+    ENCINDEX_UTF8_MAC,
+
+    /* for old options of regexp */
+    ENCINDEX_EUC_JP,
+    ENCINDEX_Windows_31J,
+
+    ENCINDEX_BUILTIN_MAX
+};
+
+#define rb_ascii8bit_encindex() ENCINDEX_ASCII
+#define rb_utf8_encindex()      ENCINDEX_UTF_8
+#define rb_usascii_encindex()   ENCINDEX_US_ASCII
+ID rb_id_encoding(void);
+void rb_gc_mark_encodings(void);
+rb_encoding *rb_enc_get_from_index(int index);
+int rb_encdb_replicate(const char *alias, const char *orig);
+int rb_encdb_alias(const char *alias, const char *orig);
+int rb_encdb_dummy(const char *name);
+void rb_encdb_declare(const char *name);
+void rb_enc_set_base(const char *name, const char *orig);
+int rb_enc_set_dummy(int index);
+void rb_encdb_set_unicode(int index);
+
+/* enum.c */
+VALUE rb_f_send(int argc, VALUE *argv, VALUE recv);
+
+/* error.c */
+extern VALUE rb_eEAGAIN;
+extern VALUE rb_eEWOULDBLOCK;
+extern VALUE rb_eEINPROGRESS;
+NORETURN(PRINTF_ARGS(void rb_compile_bug(const char*, int, const char*, ...), 3, 4));
+VALUE rb_check_backtrace(VALUE);
+NORETURN(void rb_async_bug_errno(const char *,int));
+const char *rb_builtin_type_name(int t);
+const char *rb_builtin_class_name(VALUE x);
+PRINTF_ARGS(void rb_enc_warn(rb_encoding *enc, const char *fmt, ...), 2, 3);
+PRINTF_ARGS(void rb_enc_warning(rb_encoding *enc, const char *fmt, ...), 2, 3);
+PRINTF_ARGS(void rb_sys_enc_warning(rb_encoding *enc, const char *fmt, ...), 2, 3);
+
+/* eval.c */
+VALUE rb_refinement_module_get_refined_class(VALUE module);
+
+/* eval_error.c */
+void ruby_error_print(void);
+VALUE rb_get_backtrace(VALUE info);
+
+/* eval_jump.c */
+void rb_call_end_proc(VALUE data);
+void rb_mark_end_proc(void);
+
+/* file.c */
+VALUE rb_home_dir_of(VALUE user, VALUE result);
+VALUE rb_default_home_dir(VALUE result);
+VALUE rb_realpath_internal(VALUE basedir, VALUE path, int strict);
+void rb_file_const(const char*, VALUE);
+int rb_file_load_ok(const char *);
+VALUE rb_file_expand_path_fast(VALUE, VALUE);
+VALUE rb_file_expand_path_internal(VALUE, VALUE, int, int, VALUE);
+VALUE rb_get_path_check_to_string(VALUE, int);
+VALUE rb_get_path_check_convert(VALUE, VALUE, int);
+void Init_File(void);
+
+#ifdef RUBY_FUNCTION_NAME_STRING
+# if defined __GNUC__ && __GNUC__ >= 4
+#   pragma GCC visibility push(default)
+# endif
+NORETURN(void rb_sys_fail_path_in(const char *func_name, VALUE path));
+NORETURN(void rb_syserr_fail_path_in(const char *func_name, int err, VALUE path));
+# if defined __GNUC__ && __GNUC__ >= 4
+#   pragma GCC visibility pop
+# endif
+# define rb_sys_fail_path(path) rb_sys_fail_path_in(RUBY_FUNCTION_NAME_STRING, path)
+# define rb_syserr_fail_path(err, path) rb_syserr_fail_path_in(RUBY_FUNCTION_NAME_STRING, (err), (path))
+#else
+# define rb_sys_fail_path(path) rb_sys_fail_str(path)
+# define rb_syserr_fail_path(err, path) rb_syserr_fail_str((err), (path))
+#endif
+
+/* gc.c */
+extern VALUE *ruby_initial_gc_stress_ptr;
+extern int ruby_disable_gc;
+void Init_heap(void);
+void *ruby_mimmalloc(size_t size);
+void ruby_mimfree(void *ptr);
+void rb_objspace_set_event_hook(const rb_event_flag_t event);
+#if USE_RGENGC
+void rb_gc_writebarrier_remember(VALUE obj);
+#else
+#define rb_gc_writebarrier_remember(obj) 0
+#endif
+void ruby_gc_set_params(int safe_level);
+void rb_copy_wb_protected_attribute(VALUE dest, VALUE obj);
+
+#if defined(HAVE_MALLOC_USABLE_SIZE) || defined(HAVE_MALLOC_SIZE) || defined(_WIN32)
+#define ruby_sized_xrealloc(ptr, new_size, old_size) ruby_xrealloc(ptr, new_size)
+#define ruby_sized_xrealloc2(ptr, new_count, element_size, old_count) ruby_xrealloc(ptr, new_count, element_size)
+#define ruby_sized_xfree(ptr, size) ruby_xfree(ptr)
+#define SIZED_REALLOC_N(var,type,n,old_n) REALLOC_N(var, type, n)
+#else
+void *ruby_sized_xrealloc(void *ptr, size_t new_size, size_t old_size) RUBY_ATTR_ALLOC_SIZE((2));
+void *ruby_sized_xrealloc2(void *ptr, size_t new_count, size_t element_size, size_t old_count) RUBY_ATTR_ALLOC_SIZE((2, 3));
+void ruby_sized_xfree(void *x, size_t size);
+#define SIZED_REALLOC_N(var,type,n,old_n) ((var)=(type*)ruby_sized_xrealloc((char*)(var), (n) * sizeof(type), (old_n) * sizeof(type)))
+#endif
+
+void rb_gc_resurrect(VALUE ptr);
+
+/* hash.c */
+struct st_table *rb_hash_tbl_raw(VALUE hash);
+VALUE rb_hash_has_key(VALUE hash, VALUE key);
+VALUE rb_hash_set_default_proc(VALUE hash, VALUE proc);
+long rb_objid_hash(st_index_t index);
+VALUE rb_ident_hash_new(void);
+st_table *rb_init_identtable(void);
+st_table *rb_init_identtable_with_size(st_index_t size);
+
+#define RHASH_TBL_RAW(h) rb_hash_tbl_raw(h)
+VALUE rb_hash_keys(VALUE hash);
+VALUE rb_hash_values(VALUE hash);
+#define HASH_DELETED  FL_USER1
+#define HASH_PROC_DEFAULT FL_USER2
+
+/* inits.c */
+void rb_call_inits(void);
+
+/* io.c */
+const char *ruby_get_inplace_mode(void);
+void ruby_set_inplace_mode(const char *);
+ssize_t rb_io_bufread(VALUE io, void *buf, size_t size);
+void rb_stdio_set_default_encoding(void);
+void rb_write_error_str(VALUE mesg);
+VALUE rb_io_flush_raw(VALUE, int);
+size_t rb_io_memsize(const rb_io_t *);
+
+/* iseq.c */
+VALUE rb_iseq_clone(VALUE iseqval, VALUE newcbase);
+VALUE rb_iseq_path(VALUE iseqval);
+VALUE rb_iseq_absolute_path(VALUE iseqval);
+VALUE rb_iseq_label(VALUE iseqval);
+VALUE rb_iseq_base_label(VALUE iseqval);
+VALUE rb_iseq_first_lineno(VALUE iseqval);
+VALUE rb_iseq_klass(VALUE iseqval); /* completely temporary fucntion */
+VALUE rb_iseq_method_name(VALUE self);
+
+/* load.c */
+VALUE rb_get_load_path(void);
+VALUE rb_get_expanded_load_path(void);
+int rb_require_internal(VALUE fname, int safe);
+NORETURN(void rb_load_fail(VALUE, const char*));
+
+/* loadpath.c */
+extern const char ruby_exec_prefix[];
+extern const char ruby_initial_load_paths[];
+
+/* localeinit.c */
+int Init_enc_set_filesystem_encoding(void);
+
+/* math.c */
+VALUE rb_math_atan2(VALUE, VALUE);
+VALUE rb_math_cos(VALUE);
+VALUE rb_math_cosh(VALUE);
+VALUE rb_math_exp(VALUE);
+VALUE rb_math_hypot(VALUE, VALUE);
+VALUE rb_math_log(int argc, const VALUE *argv);
+VALUE rb_math_sin(VALUE);
+VALUE rb_math_sinh(VALUE);
+#if 0
+VALUE rb_math_sqrt(VALUE);
+#endif
+
+/* newline.c */
+void Init_newline(void);
+
+/* numeric.c */
+int rb_num_to_uint(VALUE val, unsigned int *ret);
+VALUE ruby_num_interval_step_size(VALUE from, VALUE to, VALUE step, int excl);
+int ruby_float_step(VALUE from, VALUE to, VALUE step, int excl);
+double ruby_float_mod(double x, double y);
+int rb_num_negative_p(VALUE);
+VALUE rb_int_succ(VALUE num);
+VALUE rb_int_pred(VALUE num);
+VALUE rb_dbl_hash(double d);
+
+#if USE_FLONUM
+#define RUBY_BIT_ROTL(v, n) (((v) << (n)) | ((v) >> ((sizeof(v) * 8) - n)))
+#define RUBY_BIT_ROTR(v, n) (((v) >> (n)) | ((v) << ((sizeof(v) * 8) - n)))
+#endif
+
+static inline double
+rb_float_value_inline(VALUE v)
+{
+#if USE_FLONUM
+    if (FLONUM_P(v)) {
+	if (v != (VALUE)0x8000000000000002) { /* LIKELY */
+	    union {
+		double d;
+		VALUE v;
+	    } t;
+
+	    VALUE b63 = (v >> 63);
+	    /* e: xx1... -> 011... */
+	    /*    xx0... -> 100... */
+	    /*      ^b63           */
+	    t.v = RUBY_BIT_ROTR((2 - b63) | (v & ~0x03), 3);
+	    return t.d;
+	}
+	else {
+	    return 0.0;
+	}
+    }
+#endif
+    return ((struct RFloat *)v)->float_value;
+}
+
+static inline VALUE
+rb_float_new_inline(double d)
+{
+#if USE_FLONUM
+    union {
+	double d;
+	VALUE v;
+    } t;
+    int bits;
+
+    t.d = d;
+    bits = (int)((VALUE)(t.v >> 60) & 0x7);
+    /* bits contains 3 bits of b62..b60. */
+    /* bits - 3 = */
+    /*   b011 -> b000 */
+    /*   b100 -> b001 */
+
+    if (t.v != 0x3000000000000000 /* 1.72723e-77 */ &&
+	!((bits-3) & ~0x01)) {
+	return (RUBY_BIT_ROTL(t.v, 3) & ~(VALUE)0x01) | 0x02;
+    }
+    else if (t.v == (VALUE)0) {
+	/* +0.0 */
+	return 0x8000000000000002;
+    }
+    /* out of range */
+#endif
+    return rb_float_new_in_heap(d);
+}
+
+#define rb_float_value(v) rb_float_value_inline(v)
+#define rb_float_new(d)   rb_float_new_inline(d)
+
+/* object.c */
+void rb_obj_copy_ivar(VALUE dest, VALUE obj);
+VALUE rb_obj_equal(VALUE obj1, VALUE obj2);
+VALUE rb_class_search_ancestor(VALUE klass, VALUE super);
+
+struct RBasicRaw {
+    VALUE flags;
+    VALUE klass;
+};
+
+#define RBASIC_CLEAR_CLASS(obj)        (((struct RBasicRaw *)((VALUE)(obj)))->klass = 0)
+#define RBASIC_SET_CLASS_RAW(obj, cls) (((struct RBasicRaw *)((VALUE)(obj)))->klass = (cls))
+#define RBASIC_SET_CLASS(obj, cls)     do { \
+    VALUE _obj_ = (obj); \
+    RB_OBJ_WRITE(_obj_, &((struct RBasicRaw *)(_obj_))->klass, cls); \
+} while (0)
+
+/* parse.y */
+#ifndef USE_SYMBOL_GC
+#define USE_SYMBOL_GC 1
+#endif
+VALUE rb_parser_get_yydebug(VALUE);
+VALUE rb_parser_set_yydebug(VALUE, VALUE);
+int rb_is_const_name(VALUE name);
+int rb_is_class_name(VALUE name);
+int rb_is_global_name(VALUE name);
+int rb_is_instance_name(VALUE name);
+int rb_is_attrset_name(VALUE name);
+int rb_is_local_name(VALUE name);
+int rb_is_method_name(VALUE name);
+int rb_is_junk_name(VALUE name);
+int rb_is_const_sym(VALUE sym);
+int rb_is_class_sym(VALUE sym);
+int rb_is_global_sym(VALUE sym);
+int rb_is_instance_sym(VALUE sym);
+int rb_is_attrset_sym(VALUE sym);
+int rb_is_local_sym(VALUE sym);
+int rb_is_method_sym(VALUE sym);
+int rb_is_junk_sym(VALUE sym);
+ID rb_make_internal_id(void);
+void rb_gc_free_dsymbol(VALUE);
+ID rb_id_attrget(ID id);
+
+/* proc.c */
+VALUE rb_proc_location(VALUE self);
+st_index_t rb_hash_proc(st_index_t hash, VALUE proc);
+int rb_block_arity(void);
+VALUE rb_block_clear_env_self(VALUE proc);
+
+/* process.c */
+#define RB_MAX_GROUPS (65536)
+
+struct rb_execarg {
+    union {
+        struct {
+            VALUE shell_script;
+        } sh;
+        struct {
+            VALUE command_name;
+            VALUE command_abspath; /* full path string or nil */
+            VALUE argv_str;
+            VALUE argv_buf;
+        } cmd;
+    } invoke;
+    VALUE redirect_fds;
+    VALUE envp_str;
+    VALUE envp_buf;
+    VALUE dup2_tmpbuf;
+    unsigned use_shell : 1;
+    unsigned pgroup_given : 1;
+    unsigned umask_given : 1;
+    unsigned unsetenv_others_given : 1;
+    unsigned unsetenv_others_do : 1;
+    unsigned close_others_given : 1;
+    unsigned close_others_do : 1;
+    unsigned chdir_given : 1;
+    unsigned new_pgroup_given : 1;
+    unsigned new_pgroup_flag : 1;
+    unsigned uid_given : 1;
+    unsigned gid_given : 1;
+    rb_pid_t pgroup_pgid; /* asis(-1), new pgroup(0), specified pgroup (0<V). */
+    VALUE rlimit_limits; /* Qfalse or [[rtype, softlim, hardlim], ...] */
+    mode_t umask_mask;
+    rb_uid_t uid;
+    rb_gid_t gid;
+    int close_others_maxhint;
+    VALUE fd_dup2;
+    VALUE fd_close;
+    VALUE fd_open;
+    VALUE fd_dup2_child;
+    VALUE env_modification; /* Qfalse or [[k1,v1], ...] */
+    VALUE chdir_dir;
+};
+
+/* argv_str contains extra two elements.
+ * The beginning one is for /bin/sh used by exec_with_sh.
+ * The last one for terminating NULL used by execve.
+ * See rb_exec_fillarg() in process.c. */
+#define ARGVSTR2ARGC(argv_str) (RSTRING_LEN(argv_str) / sizeof(char *) - 2)
+#define ARGVSTR2ARGV(argv_str) ((char **)RSTRING_PTR(argv_str) + 1)
+
+rb_pid_t rb_fork_ruby(int *status);
+void rb_last_status_clear(void);
+
+/* rational.c */
+VALUE rb_lcm(VALUE x, VALUE y);
+VALUE rb_rational_reciprocal(VALUE x);
+VALUE rb_cstr_to_rat(const char *, int);
+
+/* re.c */
+VALUE rb_reg_compile(VALUE str, int options, const char *sourcefile, int sourceline);
+VALUE rb_reg_check_preprocess(VALUE);
+long rb_reg_search0(VALUE, VALUE, long, int, int);
+void rb_backref_set_string(VALUE string, long pos, long len);
+
+/* signal.c */
+extern int ruby_enable_coredump;
+int rb_get_next_signal(void);
+int rb_sigaltstack_size(void);
+
+/* strftime.c */
+#ifdef RUBY_ENCODING_H
+size_t rb_strftime_timespec(char *s, size_t maxsize, const char *format, rb_encoding *enc,
+	const struct vtm *vtm, struct timespec *ts, int gmt);
+size_t rb_strftime(char *s, size_t maxsize, const char *format, rb_encoding *enc,
+            const struct vtm *vtm, VALUE timev, int gmt);
+#endif
+
+/* string.c */
+void Init_frozen_strings(void);
+VALUE rb_fstring(VALUE);
+VALUE rb_fstring_new(const char *ptr, long len);
+int rb_str_buf_cat_escaped_char(VALUE result, unsigned int c, int unicode_p);
+int rb_str_symname_p(VALUE);
+VALUE rb_str_quote_unprintable(VALUE);
+VALUE rb_id_quote_unprintable(ID);
+#define QUOTE(str) rb_str_quote_unprintable(str)
+#define QUOTE_ID(id) rb_id_quote_unprintable(id)
+void rb_str_fill_terminator(VALUE str, const int termlen);
+VALUE rb_str_locktmp_ensure(VALUE str, VALUE (*func)(VALUE), VALUE arg);
+#ifdef RUBY_ENCODING_H
+VALUE rb_external_str_with_enc(VALUE str, rb_encoding *eenc);
+#endif
+#define STR_NOEMBED      FL_USER1
+#define STR_SHARED       FL_USER2 /* = ELTS_SHARED */
+#define STR_EMBED_P(str) (!FL_TEST((str), STR_NOEMBED))
+#define STR_SHARED_P(s)  FL_ALL((s), STR_NOEMBED|ELTS_SHARED)
+#define is_ascii_string(str) (rb_enc_str_coderange(str) == ENC_CODERANGE_7BIT)
+#define is_broken_string(str) (rb_enc_str_coderange(str) == ENC_CODERANGE_BROKEN)
+size_t rb_str_memsize(VALUE);
+
+/* struct.c */
+VALUE rb_struct_init_copy(VALUE copy, VALUE s);
+
+/* time.c */
+struct timeval rb_time_timeval(VALUE);
+
+/* thread.c */
+VALUE rb_obj_is_mutex(VALUE obj);
+VALUE rb_suppress_tracing(VALUE (*func)(VALUE), VALUE arg);
+void rb_thread_execute_interrupts(VALUE th);
+void rb_clear_trace_func(void);
+VALUE rb_get_coverages(void);
+VALUE rb_thread_shield_new(void);
+VALUE rb_thread_shield_wait(VALUE self);
+VALUE rb_thread_shield_release(VALUE self);
+VALUE rb_thread_shield_destroy(VALUE self);
+void rb_mutex_allow_trap(VALUE self, int val);
+VALUE rb_uninterruptible(VALUE (*b_proc)(ANYARGS), VALUE data);
+VALUE rb_mutex_owned_p(VALUE self);
+void ruby_kill(rb_pid_t pid, int sig);
+
+/* thread_pthread.c, thread_win32.c */
+void Init_native_thread(void);
+
+/* transcode.c */
+extern VALUE rb_cEncodingConverter;
+size_t rb_econv_memsize(rb_econv_t *);
+
+/* us_ascii.c */
+extern rb_encoding OnigEncodingUS_ASCII;
+
+/* util.c */
+char *ruby_dtoa(double d_, int mode, int ndigits, int *decpt, int *sign, char **rve);
+char *ruby_hdtoa(double d, const char *xdigs, int ndigits, int *decpt, int *sign, char **rve);
+
+/* utf_8.c */
+extern rb_encoding OnigEncodingUTF_8;
+
+/* variable.c */
+size_t rb_generic_ivar_memsize(VALUE);
+
+/* version.c */
+extern VALUE ruby_engine_name;
+
+/* vm_insnhelper.h */
+rb_serial_t rb_next_class_serial(void);
+
+/* vm.c */
+VALUE rb_obj_is_thread(VALUE obj);
+void rb_vm_mark(void *ptr);
+void Init_BareVM(void);
+void Init_vm_objects(void);
+VALUE rb_vm_top_self(void);
+void rb_thread_recycle_stack_release(VALUE *);
+void rb_vm_change_state(void);
+void rb_vm_inc_const_missing_count(void);
+void rb_thread_mark(void *th);
+const void **rb_vm_get_insns_address_table(void);
+VALUE rb_sourcefilename(void);
+void rb_vm_pop_cfunc_frame(void);
+int rb_vm_add_root_module(ID id, VALUE module);
+void rb_vm_check_redefinition_by_prepend(VALUE klass);
+VALUE rb_yield_refine_block(VALUE refinement, VALUE refinements);
+VALUE ruby_vm_sysstack_error_copy(void);
+
+/* vm_dump.c */
+void rb_print_backtrace(void);
+
+/* vm_eval.c */
+void Init_vm_eval(void);
+VALUE rb_current_realfilepath(void);
+VALUE rb_check_block_call(VALUE, ID, int, const VALUE *, rb_block_call_func_t, VALUE);
+typedef void rb_check_funcall_hook(int, VALUE, ID, int, const VALUE *, VALUE);
+VALUE rb_check_funcall_with_hook(VALUE recv, ID mid, int argc, const VALUE *argv,
+				 rb_check_funcall_hook *hook, VALUE arg);
+VALUE rb_catch_protect(VALUE t, rb_block_call_func *func, VALUE data, int *stateptr);
+
+/* vm_insnhelper.c */
+VALUE rb_equal_opt(VALUE obj1, VALUE obj2);
+
+/* vm_method.c */
+void Init_eval_method(void);
+int rb_method_defined_by(VALUE obj, ID mid, VALUE (*cfunc)(ANYARGS));
+
+/* miniprelude.c, prelude.c */
+void Init_prelude(void);
+
+/* vm_backtrace.c */
+void Init_vm_backtrace(void);
+VALUE rb_vm_thread_backtrace(int argc, const VALUE *argv, VALUE thval);
+VALUE rb_vm_thread_backtrace_locations(int argc, const VALUE *argv, VALUE thval);
+
+VALUE rb_make_backtrace(void);
+void rb_backtrace_print_as_bugreport(void);
+int rb_backtrace_p(VALUE obj);
+VALUE rb_backtrace_to_str_ary(VALUE obj);
+VALUE rb_backtrace_to_location_ary(VALUE obj);
+void rb_backtrace_print_to(VALUE output);
+VALUE rb_vm_backtrace_object(void);
+
+RUBY_SYMBOL_EXPORT_BEGIN
+const char *rb_objspace_data_type_name(VALUE obj);
+
+/* Temporary.  This API will be removed (renamed). */
+VALUE rb_thread_io_blocking_region(rb_blocking_function_t *func, void *data1, int fd);
+
+/* bignum.c (export) */
+VALUE rb_big_mul_normal(VALUE x, VALUE y);
+VALUE rb_big_mul_balance(VALUE x, VALUE y);
+VALUE rb_big_mul_karatsuba(VALUE x, VALUE y);
+VALUE rb_big_mul_toom3(VALUE x, VALUE y);
+VALUE rb_big_sq_fast(VALUE x);
+VALUE rb_big_divrem_normal(VALUE x, VALUE y);
+VALUE rb_big2str_poweroftwo(VALUE x, int base);
+VALUE rb_big2str_generic(VALUE x, int base);
+VALUE rb_str2big_poweroftwo(VALUE arg, int base, int badcheck);
+VALUE rb_str2big_normal(VALUE arg, int base, int badcheck);
+VALUE rb_str2big_karatsuba(VALUE arg, int base, int badcheck);
+#if defined(HAVE_LIBGMP) && defined(HAVE_GMP_H)
+VALUE rb_big_mul_gmp(VALUE x, VALUE y);
+VALUE rb_big_divrem_gmp(VALUE x, VALUE y);
+VALUE rb_big2str_gmp(VALUE x, int base);
+VALUE rb_str2big_gmp(VALUE arg, int base, int badcheck);
+#endif
+
+/* error.c (export) */
+int rb_bug_reporter_add(void (*func)(FILE *, void *), void *data);
+
+/* file.c (export) */
+#ifdef __APPLE__
+VALUE rb_str_normalize_ospath(const char *ptr, long len);
+#endif
+
+/* hash.c (export) */
+VALUE rb_hash_delete_entry(VALUE hash, VALUE key);
+
+/* io.c (export) */
+void rb_maygvl_fd_fix_cloexec(int fd);
+
+/* numeric.c (export) */
+VALUE rb_int_positive_pow(long x, unsigned long y);
+
+/* process.c (export) */
+int rb_exec_async_signal_safe(const struct rb_execarg *e, char *errmsg, size_t errmsg_buflen);
+rb_pid_t rb_fork_async_signal_safe(int *status, int (*chfunc)(void*, char *, size_t), void *charg, VALUE fds, char *errmsg, size_t errmsg_buflen);
+VALUE rb_execarg_new(int argc, const VALUE *argv, int accept_shell);
+struct rb_execarg *rb_execarg_get(VALUE execarg_obj); /* dangerous.  needs GC guard. */
+VALUE rb_execarg_init(int argc, const VALUE *argv, int accept_shell, VALUE execarg_obj);
+int rb_execarg_addopt(VALUE execarg_obj, VALUE key, VALUE val);
+void rb_execarg_fixup(VALUE execarg_obj);
+int rb_execarg_run_options(const struct rb_execarg *e, struct rb_execarg *s, char* errmsg, size_t errmsg_buflen);
+VALUE rb_execarg_extract_options(VALUE execarg_obj, VALUE opthash);
+void rb_execarg_setenv(VALUE execarg_obj, VALUE env);
+
+/* rational.c (export) */
+VALUE rb_gcd_normal(VALUE self, VALUE other);
+#if defined(HAVE_LIBGMP) && defined(HAVE_GMP_H)
+VALUE rb_gcd_gmp(VALUE x, VALUE y);
+#endif
+
+/* string.c (export) */
+#ifdef RUBY_ENCODING_H
+/* internal use */
+VALUE rb_setup_fake_str(struct RString *fake_str, const char *name, long len, rb_encoding *enc);
+#endif
+
+/* util.c (export) */
+extern const signed char ruby_digit36_to_number_table[];
+extern unsigned long ruby_scan_digits(const char *str, ssize_t len, int base, size_t *retlen, int *overflow);
+
+/* variable.c (export) */
+void rb_gc_mark_global_tbl(void);
+void rb_mark_generic_ivar(VALUE);
+void rb_mark_generic_ivar_tbl(void);
+VALUE rb_const_missing(VALUE klass, VALUE name);
+
+int rb_st_insert_id_and_value(VALUE obj, st_table *tbl, ID key, VALUE value);
+st_table *rb_st_copy(VALUE obj, struct st_table *orig_tbl);
+
+/* gc.c (export) */
+size_t rb_obj_memsize_of(VALUE);
+#define RB_OBJ_GC_FLAGS_MAX 5
+size_t rb_obj_gc_flags(VALUE, ID[], size_t);
+void rb_gc_mark_values(long n, const VALUE *values);
+
+RUBY_SYMBOL_EXPORT_END
+
+#if defined(__cplusplus)
+#if 0
+{ /* satisfy cc-mode */
+#endif
+}  /* extern "C" { */
+#endif
+
+#endif /* RUBY_INTERNAL_H */