/*      $NetBSD: string.h,v 1.58 2024/12/09 12:09:02 nros Exp $ */

/*-
* Copyright (c) 1990, 1993
*      The Regents of the University of California.  All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
*    notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
*    notice, this list of conditions and the following disclaimer in the
*    documentation and/or other materials provided with the distribution.
* 3. Neither the name of the University nor the names of its contributors
*    may be used to endorse or promote products derived from this software
*    without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
*      @(#)string.h    8.1 (Berkeley) 6/2/93
*/

#ifndef _STRING_H_
#define _STRING_H_
#include <machine/ansi.h>

#ifdef  _BSD_SIZE_T_
typedef _BSD_SIZE_T_    size_t;
#undef  _BSD_SIZE_T_
#endif

#include <sys/null.h>

#include <sys/cdefs.h>
#include <sys/featuretest.h>

#if (_POSIX_C_SOURCE - 0) >= 200809L || defined(_NETBSD_SOURCE)
#  ifndef __LOCALE_T_DECLARED
typedef struct _locale          *locale_t;
#  define __LOCALE_T_DECLARED
#  endif
#endif /* _POSIX_C_SOURCE || _NETBSD_SOURCE */

__BEGIN_DECLS
#if defined(_XOPEN_SOURCE) || defined(_NETBSD_SOURCE) || \
   (__STDC_VERSION__ - 0 >= 202311L) || defined(_ISOC23_SOURCE)
void    *memccpy(void *, const void *, int, size_t);
#endif /* _XOPEN_SOURCE || _NETBSD_SOURCE || _ISOC23_SOURCE */
void    *memchr(const void *, int, size_t);
int      memcmp(const void *, const void *, size_t);
void    *memcpy(void * __restrict, const void * __restrict, size_t);
#if (_POSIX_C_SOURCE - 0 >= 202405L) || defined(_NETBSD_SOURCE)
void    *memmem(const void *, size_t, const void *, size_t);
#endif /* _POSIX_C_SOURCE || _NETBSD_SOURCE */
void    *memmove(void *, const void *, size_t);
void    *memset(void *, int, size_t);
#if (__STDC_VERSION__ - 0 >= 202311L) || defined(_ISOC23_SOURCE) || \
   defined(_NETBSD_SOURCE)
void    *memset_explicit(void *, int, size_t);
#endif
#if (_POSIX_C_SOURCE - 0 >= 200809L) || defined(_NETBSD_SOURCE)
char    *stpcpy(char * __restrict, const char * __restrict);
char    *stpncpy(char * __restrict, const char * __restrict, size_t);
#endif /* _POSIX_C_SOURCE || _NETBSD_SOURCE */
char    *strcat(char * __restrict, const char * __restrict);
char    *strchr(const char *, int);
int      strcmp(const char *, const char *);
int      strcoll(const char *, const char *);
#if (_POSIX_C_SOURCE - 0) >= 200809L || defined(_NETBSD_SOURCE)
int      strcoll_l(const char *, const char *, locale_t);
#endif /* _POSIX_C_SOURCE || _NETBSD_SOURCE */
char    *strcpy(char * __restrict, const char * __restrict);
size_t   strcspn(const char *, const char *);
#if (_POSIX_C_SOURCE - 0 >= 200809L) || defined(_XOPEN_SOURCE) || \
   defined(_NETBSD_SOURCE) || (__STDC_VERSION__ - 0 >= 202311L) || \
   defined(_ISOC23_SOURCE)
char    *strdup(const char *);
#endif /* _POSIX_C_SOURCE || _XOPEN_SOURCE || _NETBSD_SOURCE ||
       * _ISOC23_SOURCE
       */
__aconst char *strerror(int);
#if (_POSIX_C_SOURCE - 0) >= 200809L || defined(_NETBSD_SOURCE)
__aconst char *strerror_l(int, locale_t);
#endif /* _POSIX_C_SOURCE || _NETBSD_SOURCE */
#if (_POSIX_C_SOURCE - 0 >= 200112L) || \
   defined(_REENTRANT) || defined(_NETBSD_SOURCE)
int      strerror_r(int, char *, size_t);
#endif /* _POSIX_C_SOURCE || _REENTRANT || _NETBSD_SOURCE */
#if (_POSIX_C_SOURCE - 0 >= 202405L) || defined(_NETBSD_SOURCE)
size_t   strlcat(char * __restrict, const char * __restrict, size_t);
size_t   strlcpy(char * __restrict, const char * __restrict, size_t);
#endif /* _POSIX_C_SOURCE || _NETBSD_SOURCE */
size_t   strlen(const char *);
char    *strncat(char * __restrict, const char * __restrict, size_t);
int      strncmp(const char *, const char *, size_t);
char    *strncpy(char * __restrict, const char * __restrict, size_t);
#if (_POSIX_C_SOURCE - 0 >= 200809L) || defined(_NETBSD_SOURCE) || \
   (__STDC_VERSION__ - 0 >= 202311L) || defined(_ISOC23_SOURCE)
char    *strndup(const char *, size_t);
#endif /* _POSIX_C_SOURCE || _NETBSD_SOURCE || _ISOC23_SOURCE */
#if (_POSIX_C_SOURCE - 0 >= 200809L) || defined(_NETBSD_SOURCE)
size_t  strnlen(const char *, size_t);
#endif /* _POSIX_C_SOURCE || _NETBSD_SOURCE */
char    *strpbrk(const char *, const char *);
char    *strrchr(const char *, int);
#if (_POSIX_C_SOURCE - 0 >= 200809L) || defined(_NETBSD_SOURCE)
#ifndef __STRSIGNAL_DECLARED
#define __STRSIGNAL_DECLARED
/* also in unistd.h */
__aconst char *strsignal(int);
#endif /* __STRSIGNAL_DECLARED */
#endif
size_t   strspn(const char *, const char *);
char    *strstr(const char *, const char *);
char    *strtok(char * __restrict, const char * __restrict);
#if (_POSIX_C_SOURCE - 0 >= 200112L) || \
   defined(_REENTRANT) || defined(_NETBSD_SOURCE)
char    *strtok_r(char *, const char *, char **);
#endif /* _POSIX_C_SOURCE || _REENTRANT || _NETBSD_SOURCE */
size_t   strxfrm(char * __restrict, const char * __restrict, size_t);
#if (_POSIX_C_SOURCE - 0) >= 200809L || defined(_NETBSD_SOURCE)
size_t   strxfrm_l(char * __restrict, const char * __restrict, size_t,
           locale_t);
#endif /* _POSIX_C_SOURCE || _NETBSD_SOURCE */
__END_DECLS

#if defined(_NETBSD_SOURCE)
#include <strings.h>            /* for backwards-compatibility */
__BEGIN_DECLS
char    *strcasestr(const char *, const char *);
char    *strchrnul(const char *, int);
char    *strsep(char **, const char *);
char    *stresep(char **, const char *, int);
char    *strnstr(const char *, const char *, size_t);
void    *memrchr(const void *, int, size_t);
void    *mempcpy(void * __restrict, const void * __restrict, size_t);
void    *explicit_memset(void *, int, size_t);
int     consttime_memequal(const void *, const void *, size_t);
__END_DECLS
#endif /* _NETBSD_SOURCE */

#if _FORTIFY_SOURCE > 0
#include <ssp/string.h>
#endif
#endif /* !defined(_STRING_H_) */

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