case_startb.c

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#include "case.h"

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

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