#include <asm/unistd.h>extern inline volatile void exit(int status){  int __res;  __asm__ volatile ("movl %%ecx,%%ebx\n"\		    "int $0x80" \		    :  "=a" (__res) : "0" (__NR_exit),"c" ((long)(status)));}extern inline int write(int fd, const char * buf, int len){  int status;  __asm__ volatile ("pushl %%ebx\n"\		    "movl %%esi,%%ebx\n"\		    "int $0x80\n" \		    "popl %%ebx\n"\		    : "=a" (status) \		    : "0" (__NR_write),"S" ((long)(fd)),"c" ((long)(buf)),"d" ((long)(len)));}void _start(void){    write(1, "Hello World\n", 12);    exit(0);}