/* ************************************************************************** */ /* */ /* ::: :::::::: */ /* ft_memchr.c :+: :+: :+: */ /* +:+ +:+ +:+ */ /* By: hulamy +#+ +:+ +#+ */ /* +#+#+#+#+#+ +#+ */ /* Created: 2019/11/25 13:55:51 by hulamy #+# #+# */ /* Updated: 2019/12/12 21:50:32 by hulamy ### ########.fr */ /* */ /* ************************************************************************** */ /* ** locate character in string and return its position */ /* ** #include ** ** void *ft_memchr(const void *s, int c, size_t n); ** ** int main(void) ** { ** const char *str; ** ** char *pouet = "z"; ** char *lolzer = (char *)&pouet[2]; ** lolzer = "aaaaaaaaaa"; ** str = ft_memchr(pouet, 'a', 50); ** if (!str) ** printf("NULL"); ** else ** printf("%s\n", str); ** return (0); ** } */ #include "libft.h" void *ft_memchr(const void *s, int c, size_t n) { unsigned char *sbis; size_t i; sbis = (unsigned char *)s; i = -1; while (++i < n) if (sbis[i] == (unsigned char)c) return ((void *)sbis + i); return (NULL); }