| /programs/develop/libraries/menuetlibc/src/libc/ansi/string/memchr.c |
|---|
| 0,0 → 1,18 |
| #include<string.h> |
| #include<libc/unconst.h> |
| #include<assert.h> |
| void * memchr(const void *s, int c, size_t n) |
| { |
| int d0; |
| register void * __res; |
| if (!n) return NULL; |
| __asm__ __volatile__( |
| "repne\n\t" |
| "scasb\n\t" |
| "je 1f\n\t" |
| "movl $1,%0\n" |
| "1:\tdecl %0" |
| :"=D" (__res), "=&c" (d0) : "a" (c),"0" (s),"1" (n)); |
| return __res; |
| } |