/* * Copyright (C) 1991, 1992 Linus Torvalds */ #include /** * memchr - Find a character in an area of memory. * @s: The memory area * @c: The byte to search for * @n: The size of the area. * * returns the address of the first occurrence of @c, or %NULL * if @c is not found */ void *(memchr)(const void *s, int c, size_t n) { const unsigned char *p = s; while (n--) if ((unsigned char)c == *p++) return (void *)(p - 1); return NULL; } /* * Local variables: * mode: C * c-file-style: "BSD" * c-basic-offset: 8 * tab-width: 8 * indent-tabs-mode: t * End: */