Mirror of :pserver:cvs@cvs.fefe.de:/cvs libowfat https://www.fefe.de/libowfat/
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#include "case.h"
int case_diffb(register const void* S,register unsigned long len,register const void* T)
{
register unsigned char x;
register unsigned char y;
register const char* s=(const char*)S;
register const char* t=(const char*)T;
while (len > 0) {
--len;
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 (x != y)
return ((int)(unsigned int) x) - ((int)(unsigned int) y);
}
return 0;
}