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16 lines
249 B
C
16 lines
249 B
C
#include <string.h>
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char *strstr(const char *s1,const char *s2)
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{ const char *c1,*c2;
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do {
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c1 = s1; c2 = s2;
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while(*c1 && *c1==*c2) {
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c1++; c2++;
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}
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if (!*c2)
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return (char *)s1;
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} while(*s1++);
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return (char *)0;
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}
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