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qmail/case_starts.c
D. J. Bernstein af9625ddf9 qmail 1.01
2009-12-18 13:07:04 +01:00

18 lines
340 B
C

#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;
}
}