| int strcmp(char *s1, char *s2) | |
| { | |
| int i = 0; | |
| while (s1[i] != 0 && s1[i] == s2[i]) { | |
| i++; | |
| } | |
| return s1[i] - s2[i]; | |
| } | |
| int strncmp(char *s1, char *s2, int n) | |
| { | |
| int i = 0; | |
| while (i < n && s1[i] != 0 && s1[i] == s2[i]) { | |
| i++; | |
| } | |
| if (i == n) { | |
| return 0; | |
| } | |
| return s1[i] - s2[i]; | |
| } | |