case_starts.c
author "Tomas Zeman <tomas.zeman@sun.com>"
Fri, 19 Oct 2007 14:06:22 +0200
changeset 0 068428edee47
permissions -rw-r--r--
Imported qmail-1.03

#include "case.h"

int case_starts(s,t)
register char *s;
register char *t;
{
  register unsigned char x;
  register unsigned char y;

  for (;;) {
    x = *s++ - 'A';
    if (x <= 'Z' - 'A') x += 'a'; else x += 'A';
    y = *t++ - 'A';
    if (y <= 'Z' - 'A') y += 'a'; else y += 'A';
    if (!y) return 1;
    if (x != y) return 0;
  }
}