maxishell
Implementation of a shell for Linux-like systems
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ft_memchr.c
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1/* ************************************************************************** */
2/* */
3/* ::: :::::::: */
4/* ft_memchr.c :+: :+: :+: */
5/* +:+ +:+ +:+ */
6/* By: rmikhayl <rmikhayl@student.42london.c +#+ +:+ +#+ */
7/* +#+#+#+#+#+ +#+ */
8/* Created: 2023/12/17 17:25:28 by rmikhayl #+# #+# */
9/* Updated: 2023/12/17 17:25:28 by rmikhayl ### ########.fr */
10/* */
11/* ************************************************************************** */
12
13#include "libft.h"
14
15/* *************************** ft_memchr ************************************ */
16/* Searches for the first occurrence of a specific byte in a memory block. */
17/* Returns a pointer to the found byte if present; otherwise, returns NULL. */
18/* */
19/* Parameters: */
20/* - 's': A pointer to the memory block to search in. */
21/* - 'c': The byte value to search for. */
22/* - 'n': The number of bytes to search within the memory block 's'. */
23/* */
24/* In layman's terms: It's like looking for a particular symbol or letter */
25/* in a collection of characters. If it's found, you get a clue; otherwise, */
26/* you get nothing. */
27/* ************************************************************************** */
28
29void *ft_memchr(const void *s, int c, size_t n)
30{
31 const unsigned char *st;
32 unsigned char ct;
33
34 st = s;
35 ct = (unsigned char)c;
36 while (n--)
37 {
38 if (*st == ct)
39 return ((void *)st);
40 st++;
41 }
42 return (NULL);
43}
ft_memchr
void * ft_memchr(const void *s, int c, size_t n)
Definition ft_memchr.c:29