Last change
on this file since b8080f6 was f40a309, checked in by Thomas Lopatic <thomas@…>, 7 years ago |
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1 | /*
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2 | =============================================================================
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3 | strcmp.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: s1>s2: >0 s1==s2: 0 s1<s2: <0
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7 | =============================================================================
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8 | */
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9 |
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10 | int
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11 | strcmp(s1, s2)
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12 | register char *s1, *s2;
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13 | {
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14 | if(s1 == s2)
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15 | return(0);
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16 |
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17 | while(*s1 == *s2++)
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18 | if(*s1++ == '\0')
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19 | return(0);
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20 |
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21 | return((int)*s1 - (int)*--s2);
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22 | }
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