/************************************************

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missing.h - prototype for *.c in ./missing, and

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for missing timeval struct

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$Author$

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created at: Sat May 11 23:46:03 JST 2002

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************************************************/

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#ifndef RUBY_MISSING_H

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#define RUBY_MISSING_H 1

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#if defined(__cplusplus)

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extern "C" {

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#if 0

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} /* satisfy cc-mode */

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#endif

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#endif

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#include "ruby/config.h"

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#include <stddef.h>

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#include <math.h> /* for INFINITY and NAN */

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#ifdef RUBY_ALTERNATIVE_MALLOC_HEADER

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# include RUBY_ALTERNATIVE_MALLOC_HEADER

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#endif

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#ifdef RUBY_EXTCONF_H

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#include RUBY_EXTCONF_H

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#endif

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#if !defined(HAVE_STRUCT_TIMEVAL) || !defined(HAVE_STRUCT_TIMESPEC)

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#if defined(HAVE_TIME_H)

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# include <time.h>

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#endif

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#if defined(HAVE_SYS_TIME_H)

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# include <sys/time.h>

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#endif

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#endif

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#ifndef M_PI

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# define M_PI 3.14159265358979323846

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#endif

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#ifndef M_PI_2

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# define M_PI_2 (M_PI/2)

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#endif

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#ifndef RUBY_SYMBOL_EXPORT_BEGIN

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# define RUBY_SYMBOL_EXPORT_BEGIN /* begin */

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# define RUBY_SYMBOL_EXPORT_END /* end */

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#endif

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#if !defined(HAVE_STRUCT_TIMEVAL)

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struct timeval {

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time_t tv_sec; /* seconds */

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long tv_usec; /* microseconds */

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};

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#endif /* HAVE_STRUCT_TIMEVAL */

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#if !defined(HAVE_STRUCT_TIMESPEC)

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struct timespec {

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time_t tv_sec; /* seconds */

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long tv_nsec; /* nanoseconds */

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};

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#endif

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#if !defined(HAVE_STRUCT_TIMEZONE)

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struct timezone {

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int tz_minuteswest;

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int tz_dsttime;

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};

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#endif

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#ifdef RUBY_EXPORT

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#undef RUBY_EXTERN

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#endif

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#ifndef RUBY_EXTERN

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#define RUBY_EXTERN extern

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#endif

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RUBY_SYMBOL_EXPORT_BEGIN

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#ifndef HAVE_ACOSH

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RUBY_EXTERN double acosh(double);

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RUBY_EXTERN double asinh(double);

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RUBY_EXTERN double atanh(double);

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#endif

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#ifndef HAVE_CRYPT

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RUBY_EXTERN char *crypt(const char *, const char *);

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#endif

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#ifndef HAVE_DUP2

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RUBY_EXTERN int dup2(int, int);

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#endif

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#ifndef HAVE_EACCESS

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RUBY_EXTERN int eaccess(const char*, int);

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#endif

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#ifndef HAVE_ROUND

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RUBY_EXTERN double round(double); /* numeric.c */

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#endif

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#ifndef HAVE_FINITE

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RUBY_EXTERN int finite(double);

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#endif

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#ifndef HAVE_FLOCK

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RUBY_EXTERN int flock(int, int);

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#endif

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/*

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#ifndef HAVE_FREXP

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RUBY_EXTERN double frexp(double, int *);

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#endif

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*/

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#ifndef HAVE_HYPOT

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RUBY_EXTERN double hypot(double, double);

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#endif

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#ifndef HAVE_ERF

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RUBY_EXTERN double erf(double);

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RUBY_EXTERN double erfc(double);

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#endif

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#ifndef HAVE_TGAMMA

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RUBY_EXTERN double tgamma(double);

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#endif

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#ifndef HAVE_LGAMMA_R

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RUBY_EXTERN double lgamma_r(double, int *);

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#endif

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#ifndef HAVE_CBRT

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RUBY_EXTERN double cbrt(double);

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#endif

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#if !defined(INFINITY) || !defined(NAN)

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union bytesequence4_or_float {

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unsigned char bytesequence[4];

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float float_value;

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};

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#endif

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#ifndef INFINITY

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/** @internal */

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RUBY_EXTERN const union bytesequence4_or_float rb_infinity;

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# define INFINITY (rb_infinity.float_value)

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# define USE_RB_INFINITY 1

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#endif

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#ifndef NAN

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/** @internal */

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RUBY_EXTERN const union bytesequence4_or_float rb_nan;

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# define NAN (rb_nan.float_value)

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# define USE_RB_NAN 1

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#endif

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#ifndef HUGE_VAL

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# define HUGE_VAL ((double)INFINITY)

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#endif

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#ifndef isinf

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# ifndef HAVE_ISINF

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# if defined(HAVE_FINITE) && defined(HAVE_ISNAN)

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# ifdef HAVE_IEEEFP_H

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# include <ieeefp.h>

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# endif

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# define isinf(x) (!finite(x) && !isnan(x))

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# elif defined(__cplusplus) && __cplusplus >= 201103L

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# include <cmath> // it must include constexpr bool isinf(double);

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# else

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RUBY_EXTERN int isinf(double);

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# endif

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# endif

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#endif

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#ifndef isnan

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# ifndef HAVE_ISNAN

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# if defined(__cplusplus) && __cplusplus >= 201103L

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# include <cmath> // it must include constexpr bool isnan(double);

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# else

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RUBY_EXTERN int isnan(double);

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# endif

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# endif

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#endif

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#ifndef isfinite

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# ifndef HAVE_ISFINITE

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# define HAVE_ISFINITE 1

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# define isfinite(x) finite(x)

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# endif

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#endif

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#ifndef HAVE_NAN

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RUBY_EXTERN double nan(const char *);

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#endif

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#ifndef HAVE_NEXTAFTER

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RUBY_EXTERN double nextafter(double x, double y);

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#endif

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/*

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#ifndef HAVE_MEMCMP

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RUBY_EXTERN int memcmp(const void *, const void *, size_t);

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#endif

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*/

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#ifndef HAVE_MEMMOVE

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RUBY_EXTERN void *memmove(void *, const void *, size_t);

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#endif

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/*

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#ifndef HAVE_MODF

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RUBY_EXTERN double modf(double, double *);

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#endif

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*/

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#ifndef HAVE_STRCHR

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RUBY_EXTERN char *strchr(const char *, int);

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RUBY_EXTERN char *strrchr(const char *, int);

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#endif

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#ifndef HAVE_STRERROR

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RUBY_EXTERN char *strerror(int);

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#endif

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#ifndef HAVE_STRSTR

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RUBY_EXTERN char *strstr(const char *, const char *);

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#endif

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#ifndef HAVE_STRLCPY

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RUBY_EXTERN size_t strlcpy(char *, const char*, size_t);

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#endif

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#ifndef HAVE_STRLCAT

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RUBY_EXTERN size_t strlcat(char *, const char*, size_t);

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#endif

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#ifndef HAVE_SIGNBIT

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RUBY_EXTERN int signbit(double x);

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#endif

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#ifndef HAVE_FFS

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RUBY_EXTERN int ffs(int);

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#endif

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#ifdef BROKEN_CLOSE

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#include <sys/types.h>

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#include <sys/socket.h>

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RUBY_EXTERN int ruby_getpeername(int, struct sockaddr *, socklen_t *);

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RUBY_EXTERN int ruby_getsockname(int, struct sockaddr *, socklen_t *);

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RUBY_EXTERN int ruby_shutdown(int, int);

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RUBY_EXTERN int ruby_close(int);

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#endif

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#ifndef HAVE_SETPROCTITLE

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RUBY_EXTERN void setproctitle(const char *fmt, ...);

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#endif

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#ifndef HAVE_EXPLICIT_BZERO

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RUBY_EXTERN void explicit_bzero(void *b, size_t len);

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# if defined SecureZeroMemory

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# define explicit_bzero(b, len) SecureZeroMemory(b, len)

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# endif

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#endif

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RUBY_SYMBOL_EXPORT_END

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#if defined(__cplusplus)

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#if 0

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{ /* satisfy cc-mode */

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#endif

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} /* extern "C" { */

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#endif

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#endif /* RUBY_MISSING_H */

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