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18 lines
399 B
C
18 lines
399 B
C
23 years ago
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#include "case.h"
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int case_diffs(register const char *s,register const char *t)
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{
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register unsigned char x;
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register unsigned char y;
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for (;;) {
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x = *s++ - 'A';
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if (x <= 'Z' - 'A') x += 'a'; else x += 'A';
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y = *t++ - 'A';
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if (y <= 'Z' - 'A') y += 'a'; else y += 'A';
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if (x != y) break;
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if (!x) break;
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}
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return ((int)(unsigned int) x) - ((int)(unsigned int) y);
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}
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