git: 9front

ref: d97d8e3ac9dd985aa60a8da9269c88a5c5dcf884
dir: /sys/src/cmd/unix/drawterm/libc/runestrncmp.c/

#include <u.h>
#include <libc.h>

int
runestrncmp(Rune *s1, Rune *s2, long n)
{
	Rune c1, c2;

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