Subversion Repositories planix.SVN

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

int
strncmp(char *s1, char *s2, long n)
{
        unsigned 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;
}