usr/klibc/strncmp.c

/*
 * strncmp.c
 */

#include <string.h>

int strncmp(const char *s1, const char *s2, size_t n)
{
	const unsigned char *c1 = (const unsigned char *)s1;
	const unsigned char *c2 = (const unsigned char *)s2;
	unsigned char ch;
	int d = 0;

	while (n--) {
		d = (int)(ch = *c1++) - (int)*c2++;
		if (d || !ch)
			break;
	}

	return d;
}
1	/*
2	* strncmp.c
3	*/
4
5	#include <string.h>
6
7	int strncmp(const char s1, const char s2, size_t n)
8	{
9	const unsigned char c1 = (const unsigned char )s1;
10	const unsigned char c2 = (const unsigned char )s2;
11	unsigned char ch;
12	int d = 0;
13
14	while (n--) {
15	d = (int)(ch = c1++) - (int)c2++;
16	if (d \|\| !ch)
17	break;
18	}
19
20	return d;
21	}