usr/klibc/memrchr.c

/*
 * memrchr.c
 */

#include <stddef.h>
#include <string.h>

void *memrchr(const void *s, int c, size_t n)
{
	const unsigned char *sp = (const unsigned char *)s + n - 1;

	while (n--) {
		if (*sp == (unsigned char)c)
			return (void *)sp;
		sp--;
	}

	return NULL;
}
1	/*
2	* memrchr.c
3	*/
4
5	#include <stddef.h>
6	#include <string.h>
7
8	void memrchr(const void s, int c, size_t n)
9	{
10	const unsigned char sp = (const unsigned char )s + n - 1;
11
12	while (n--) {
13	if (*sp == (unsigned char)c)
14	return (void *)sp;
15	sp--;
16	}
17
18	return NULL;
19	}