shithub: p9-stm32-example-bare

ref: cc3c4401a74588c302c55ba7acb19cd773fdf775
dir: /libkern/strcmp.c/

View raw version 
#include	<u.h>
#include	"kern.h"

int
strcmp(char *s1, char *s2)
{
	unsigned c1, c2;

	for(;;) {
		c1 = *s1++;
		c2 = *s2++;
		if(c1 != c2) {
			if(c1 > c2)
				return 1;
			return -1;
		}
		if(c1 == 0)
			return 0;
	}
}