Last change
on this file since 7bf3856 was 3ae31e9, checked in by Thomas Lopatic <thomas@…>, 8 years ago |
Imported original source code.
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File size:
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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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11 | int
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12 | strncmp(s1, s2, n)
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13 | register char *s1, *s2;
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14 | register int n;
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15 | {
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16 | if (s1 == s2)
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17 | return(0);
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18 |
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19 | while ((--n >= 0) && (*s1 == *s2++))
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20 | if(*s1++ == '\0')
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21 | return(0);
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22 |
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23 | return((n < 0) ? 0 : (int)(*s1 - *--s2));
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24 | }
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