RVBTCC/demo/strcmp.c
2024-11-28 22:50:12 +08:00

17 lines
350 B
C

int printf(const char* format, ...);
int strcmp(const char* s1, const char* s2) {
while (*s1 && *s2 && *s1 == *s2) {
s1++;
s2++;
}
return *s1 - *s2;
}
int main() {
const char* s1 = "helloworld";
const char* s2 = "world";
printf("%d\n", strcmp(s1, s2));
printf("%d\n", strcmp(s1 + 5, s2));
return 0;
}