| char *memchr(char *s, int c, int n) | |
| { | |
| int i = 0; | |
| while (i < n) { | |
| if (s[i] == c) { | |
| return s + i; | |
| } | |
| i++; | |
| } | |
| return (void *)0; | |
| } | |
| char *strchr(char *s, int c) | |
| { | |
| int i = 0; | |
| while (s[i] != 0) { | |
| if (s[i] == c) { | |
| return s + i; | |
| } | |
| i++; | |
| } | |
| if (c == 0) { | |
| return s + i; | |
| } | |
| return (void *)0; | |
| } | |