霸气的强制类型转换和指令码函数

#include <stdio.h>void(* swap)() = (void(*)()) "\x8b\x44\x24\x04\x8b\x5c\x24\x08\x8b\x00\x8b\x1b\x31\xc3\x31" \"xd8\x31\xc3\x8b\x4c\x24\x04\x89\x01\x8b\x4c\x24\x08\x89\x19\xc3";// works on GCC 3+4int main(void){        int a = 37, b = 13;        swap(&a, &b);        printf("%d %d\n", a, b);}