19 lines
269 B
C
19 lines
269 B
C
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int
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strncmp(s1, s2, n)
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register char *s1, *s2;
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int n;
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{
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/* Compare two strings, but at most n characters. */
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while (n-- > 0) {
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if (*s1 != *s2) {
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if (!*s1) return -1;
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if (!*s2) return 1;
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return(*s1 - *s2);
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}
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if (*s1++ == 0) break;
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s2++;
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}
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return 0;
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}
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