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23 lines
684 B
C
23 lines
684 B
C
#include "str.h"
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/* str_start returns 1 if the b is a prefix of a, 0 otherwise */
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int str_start(const char* a, const char* b) {
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register const char* s=a;
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register const char* t=b;
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for (;;) {
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if (!*t) return 1;
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if (*s!=*t) break;
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++s; ++t;
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if (!*t) return 1;
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if (*s!=*t) break;
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++s; ++t;
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if (!*t) return 1;
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if (*s!=*t) break;
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++s; ++t;
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if (!*t) return 1;
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if (*s!=*t) break;
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++s; ++t;
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}
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return 0;
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}
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