Function strncmpi

src/hacklib.c:716–734

case-insensitive counted string comparison */ { aka strncasecmp }*/

/* case-insensitive counted string comparison */
/*{ aka strncasecmp }*/
int
strncmpi(
    const char *s1, const char *s2,
    int n) /*(should probably be size_t, which is unsigned)*/
{
    char t1, t2;

    while (n--) {
        if (!*s2)
            return (*s1 != 0); /* s1 >= s2 */
        else if (!*s1)
            return -1; /* s1  < s2 */
        t1 = lowc(*s1++);
        t2 = lowc(*s2++);
        if (t1 != t2)
            return (t1 > t2) ? 1 : -1;
    }
    return 0; /* s1 == s2 */
}
#endif /* STRNCMPI */

#ifndef STRSTRI