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22 lines
320 B
C
Executable File
22 lines
320 B
C
Executable File
/*
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* strcmp.c
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*/
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#include <string.h>
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int strcmp(const char *s1, const char *s2)
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{
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const unsigned char *c1 = (const unsigned char *)s1;
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const unsigned char *c2 = (const unsigned char *)s2;
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unsigned char ch;
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int d = 0;
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while (1) {
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d = (int)(ch = *c1++) - (int)*c2++;
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if (d || !ch)
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break;
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}
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return d;
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}
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