23 lines
358 B
C
23 lines
358 B
C
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char *strncat(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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/* Append s2 to the end of s1, but no more than n characters */
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char *original = s1;
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if (n <= 0) return(s1);
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/* Find the end of s1. */
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while (*s1 != 0) s1++;
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/* Now copy s2 to the end of s1. */
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while (*s1++ = *s2++) {
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if (--n == 0) {
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*s1 = 0;
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break;
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}
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}
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return(original);
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}
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