HariboteOS/day18/libc/string/strcmp.c
2021-04-17 23:15:24 +08:00

15 lines
181 B
C

#include <string.h>
int strcmp(const char *s1,const char *s2) {
while (*s1 == *s2) {
if (*s1 == '\0') {
return 0;
}
s1++;
s2++;
}
return *s1 - *s2;
}