26 lines
497 B
C
26 lines
497 B
C
#include <stddef.h>
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int strcmp(const char *s1, const char *s2)
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{
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int i;
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for (i = 0; s1[i] == s2[i]; i++) {
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if (s1[i] == '\0') {
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return 0;
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}
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}
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return s1[i] - s2[i];
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}
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int strncmp(const char *s1, const char *s2, size_t n)
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{
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for (; n > 0; s1++, s2++, --n) {
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if (*s1 != *s2) {
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return ((*(unsigned char *)s1 < *(unsigned char *)s2) ? -1 : 1);
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} else if (*s1 == '\0') {
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return 0;
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}
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}
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return 0;
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}
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