[EDIT] FILE: strings.h

/* Copyright (C) 1991-2018 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. The GNU C Library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with the GNU C Library; if not, see <http://www.gnu.org/licenses/>. */ #ifndef _STRINGS_H #define _STRINGS_H 1 #include <features.h> #define __need_size_t #include <stddef.h> /* Tell the caller that we provide correct C++ prototypes. */ #if defined __cplusplus && __GNUC_PREREQ (4, 4) # define __CORRECT_ISO_CPP_STRINGS_H_PROTO #endif __BEGIN_DECLS #if defined __USE_MISC || !defined __USE_XOPEN2K8 /* Compare N bytes of S1 and S2 (same as memcmp). */ extern int bcmp (const void *__s1, const void *__s2, size_t __n) __THROW __attribute_pure__ __nonnull ((1, 2)); /* Copy N bytes of SRC to DEST (like memmove, but args reversed). */ extern void bcopy (const void *__src, void *__dest, size_t __n) __THROW __nonnull ((1, 2)); /* Set N bytes of S to 0. */ extern void bzero (void *__s, size_t __n) __THROW __nonnull ((1)); /* Find the first occurrence of C in S (same as strchr). */ # ifdef __CORRECT_ISO_CPP_STRINGS_H_PROTO extern "C++" { extern char *index (char *__s, int __c) __THROW __asm ("index") __attribute_pure__ __nonnull ((1)); extern const char *index (const char *__s, int __c) __THROW __asm ("index") __attribute_pure__ __nonnull ((1)); # if defined __OPTIMIZE__ __extern_always_inline char * index (char *__s, int __c) __THROW { return __builtin_index (__s, __c); } __extern_always_inline const char * index (const char *__s, int __c) __THROW { return __builtin_index (__s, __c); } # endif } # else extern char *index (const char *__s, int __c) __THROW __attribute_pure__ __nonnull ((1)); # endif /* Find the last occurrence of C in S (same as strrchr). */ # ifdef __CORRECT_ISO_CPP_STRINGS_H_PROTO extern "C++" { extern char *rindex (char *__s, int __c) __THROW __asm ("rindex") __attribute_pure__ __nonnull ((1)); extern const char *rindex (const char *__s, int __c) __THROW __asm ("rindex") __attribute_pure__ __nonnull ((1)); # if defined __OPTIMIZE__ __extern_always_inline char * rindex (char *__s, int __c) __THROW { return __builtin_rindex (__s, __c); } __extern_always_inline const char * rindex (const char *__s, int __c) __THROW { return __builtin_rindex (__s, __c); } # endif } # else extern char *rindex (const char *__s, int __c) __THROW __attribute_pure__ __nonnull ((1)); # endif #endif #if defined __USE_MISC || !defined __USE_XOPEN2K8 || defined __USE_XOPEN2K8XSI /* Return the position of the first bit set in I, or 0 if none are set. The least-significant bit is position 1, the most-significant 32. */ extern int ffs (int __i) __THROW __attribute_const__; #endif /* The following two functions are non-standard but necessary for non-32 bit platforms. */ # ifdef __USE_MISC extern int ffsl (long int __l) __THROW __attribute_const__; __extension__ extern int ffsll (long long int __ll) __THROW __attribute_const__; # endif /* Compare S1 and S2, ignoring case. */ extern int strcasecmp (const char *__s1, const char *__s2) __THROW __attribute_pure__ __nonnull ((1, 2)); /* Compare no more than N chars of S1 and S2, ignoring case. */ extern int strncasecmp (const char *__s1, const char *__s2, size_t __n) __THROW __attribute_pure__ __nonnull ((1, 2)); #ifdef __USE_XOPEN2K8 /* POSIX.1-2008 extended locale interface (see locale.h). */ # include <bits/types/locale_t.h> /* Compare S1 and S2, ignoring case, using collation rules from LOC. */ extern int strcasecmp_l (const char *__s1, const char *__s2, locale_t __loc) __THROW __attribute_pure__ __nonnull ((1, 2, 3)); /* Compare no more than N chars of S1 and S2, ignoring case, using collation rules from LOC. */ extern int strncasecmp_l (const char *__s1, const char *__s2, size_t __n, locale_t __loc) __THROW __attribute_pure__ __nonnull ((1, 2, 4)); #endif __END_DECLS #if __GNUC_PREREQ (3,4) && __USE_FORTIFY_LEVEL > 0 \ && defined __fortify_function /* Functions with security checks. */ # if defined __USE_MISC || !defined __USE_XOPEN2K8 # include <bits/strings_fortified.h> # endif #endif #endif /* strings.h */
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