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📁 ..
📄 Makefile.inc(3.07 KB)
📄 Symbol.map(1.08 KB)
📄 bcmp.3(2.47 KB)
📄 bcmp.c(2.05 KB)
📄 bcopy.3(2.66 KB)
📄 bcopy.c(3.96 KB)
📄 bstring.3(3.09 KB)
📄 bzero.3(2.75 KB)
📄 bzero.c(81 B)
📄 ffs.3(2.88 KB)
📄 ffs.c(1.97 KB)
📄 ffsl.c(1.84 KB)
📄 ffsll.c(1.85 KB)
📄 fls.c(1.84 KB)
📄 flsl.c(1.84 KB)
📄 flsll.c(1.85 KB)
📄 index.3(3.01 KB)
📄 memccpy.3(2.34 KB)
📄 memccpy.c(2.04 KB)
📄 memchr.3(2.9 KB)
📄 memchr.c(1.9 KB)
📄 memcmp.3(2.64 KB)
📄 memcmp.c(2.12 KB)
📄 memcpy.3(2.66 KB)
📄 memcpy.c(82 B)
📄 memmem.3(2.73 KB)
📄 memmem.c(5.15 KB)
📄 memmove.3(2.41 KB)
📄 memmove.c(82 B)
📄 memrchr.c(1.2 KB)
📄 memset.3(3.7 KB)
📄 memset.c(3.54 KB)
📄 memset_s.c(2.18 KB)
📄 stpcpy.c(1.96 KB)
📄 stpncpy.c(1.68 KB)
📄 strcasecmp.3(3.38 KB)
📄 strcasecmp.c(2.95 KB)
📄 strcasestr.c(2.55 KB)
📄 strcat.3(4.26 KB)
📄 strcat.c(1.95 KB)
📄 strchr.3(3.28 KB)
📄 strchr.c(2.02 KB)
📄 strchrnul.c(1.67 KB)
📄 strcmp.3(2.88 KB)
📄 strcmp.c(2.08 KB)
📄 strcoll.3(2.77 KB)
📄 strcoll.c(3.45 KB)
📄 strcpy.3(4.94 KB)
📄 strcpy.c(2.04 KB)
📄 strcspn.c(2.33 KB)
📄 strdup.3(2.74 KB)
📄 strdup.c(2.02 KB)
📄 strerror.3(5.97 KB)
📄 strerror.c(3.85 KB)
📄 string.3(4.16 KB)
📄 strlcat.c(1.77 KB)
📄 strlcpy.3(5.29 KB)
📄 strlcpy.c(1.63 KB)
📄 strlen.3(2.65 KB)
📄 strlen.c(3.79 KB)
📄 strmode.3(4.68 KB)
📄 strmode.c(3.44 KB)
📄 strncat.c(2.29 KB)
📄 strncmp.c(2.05 KB)
📄 strncpy.c(2.39 KB)
📄 strndup.c(1.17 KB)
📄 strnlen.c(1.6 KB)
📄 strnstr.c(2.4 KB)
📄 strpbrk.3(2.49 KB)
📄 strpbrk.c(2.1 KB)
📄 strrchr.c(2.05 KB)
📄 strsep.3(3.74 KB)
📄 strsep.c(2.62 KB)
📄 strsignal.c(3.7 KB)
📄 strspn.3(3.09 KB)
📄 strspn.c(2.32 KB)
📄 strstr.3(4.03 KB)
📄 strstr.c(5.17 KB)
📄 strtok.3(4.67 KB)
📄 strtok.c(3.78 KB)
📄 strxfrm.3(3.2 KB)
📄 strxfrm.c(3.03 KB)
📄 swab.3(2.19 KB)
📄 swab.c(2.28 KB)
📄 timingsafe_bcmp.3(2.35 KB)
📄 timingsafe_bcmp.c(1.21 KB)
📄 timingsafe_memcmp.c(1.76 KB)
📄 wcpcpy.c(1.97 KB)
📄 wcpncpy.c(1.69 KB)
📄 wcscasecmp.c(1.68 KB)
📄 wcscat.c(1.84 KB)
📄 wcschr.c(1.58 KB)
📄 wcscmp.c(2.2 KB)
📄 wcscoll.3(3.16 KB)
📄 wcscoll.c(5.43 KB)
📄 wcscpy.c(1.8 KB)
📄 wcscspn.c(1.87 KB)
📄 wcsdup.c(1.65 KB)
📄 wcslcat.c(2.55 KB)
📄 wcslcpy.c(2.46 KB)
📄 wcslen.c(1.75 KB)
📄 wcsncasecmp.c(1.75 KB)
📄 wcsncat.c(1.9 KB)
📄 wcsncmp.c(2.17 KB)
📄 wcsncpy.c(2.31 KB)
📄 wcsnlen.c(1.6 KB)
📄 wcspbrk.c(1.92 KB)
📄 wcsrchr.c(1.63 KB)
📄 wcsspn.c(1.89 KB)
📄 wcsstr.c(2.27 KB)
📄 wcstok.3(4.1 KB)
📄 wcstok.c(2.7 KB)
📄 wcswidth.3(2.08 KB)
📄 wcswidth.c(2.62 KB)
📄 wcsxfrm.3(3.5 KB)
📄 wcsxfrm.c(2.66 KB)
📄 wmemchr.3(4.96 KB)
📄 wmemchr.c(1.85 KB)
📄 wmemcmp.c(1.87 KB)
📄 wmemcpy.c(1.81 KB)
📄 wmemmove.c(1.79 KB)
📄 wmemset.c(1.81 KB)

Editing: memchr.c

/*-
 * SPDX-License-Identifier: MIT
 *
 * Copyright (c) 2005-2014 Rich Felker, et al.
 *
 * Permission is hereby granted, free of charge, to any person obtaining
 * a copy of this software and associated documentation files (the
 * "Software"), to deal in the Software without restriction, including
 * without limitation the rights to use, copy, modify, merge, publish,
 * distribute, sublicense, and/or sell copies of the Software, and to
 * permit persons to whom the Software is furnished to do so, subject to
 * the following conditions:
 *
 * The above copyright notice and this permission notice shall be
 * included in all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
 * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
 * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 */
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");

#include <limits.h>
#include <stdint.h>
#include <string.h>

#define SS (sizeof(size_t))
#define ALIGN (sizeof(size_t) - 1)
#define ONES ((size_t)-1 / UCHAR_MAX)
#define HIGHS (ONES * (UCHAR_MAX / 2 + 1))
#define HASZERO(x) (((x)-ONES) & ~(x)&HIGHS)

void *
memchr(const void *src, int c, size_t n)
{
	const unsigned char *s = src;
	c = (unsigned char)c;
#ifdef __GNUC__
	for (; ((uintptr_t)s & ALIGN) && n && *s != c; s++, n--)
		;
	if (n && *s != c) {
		typedef size_t __attribute__((__may_alias__)) word;
		const word *w;
		size_t k = ONES * c;
		for (w = (const void *)s; n >= SS && !HASZERO(*w ^ k);
		     w++, n -= SS)
			;
		s = (const void *)w;
	}
#endif
	for (; n && *s != c; s++, n--)
		;
	return n ? (void *)s : 0;
}

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Editing: memchr.c

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