Last change
on this file since 342a56f was 0580615, checked in by Thomas Lopatic <thomas@…>, 7 years ago |
Point of no return.
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File size:
490 bytes
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[f40a309] | 1 | /*
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| 2 | =============================================================================
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| 3 | strncmp.c -- compare strings
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| 4 | Version 2 -- 1987-06-15
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| 5 |
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| 6 | Compare strings (at most n bytes)
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| 7 | Returns: s1>s2; >0 s1==s2; 0 s1<s2; <0
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| 8 | =============================================================================
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| 9 | */
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| 10 |
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[0580615] | 11 | int strncmp(char *s1, char *s2, int n)
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[f40a309] | 12 | {
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| 13 | if (s1 == s2)
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| 14 | return(0);
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| 15 |
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| 16 | while ((--n >= 0) && (*s1 == *s2++))
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| 17 | if(*s1++ == '\0')
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| 18 | return(0);
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| 19 |
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| 20 | return((n < 0) ? 0 : (int)(*s1 - *--s2));
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| 21 | }
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