__asm__(
汇编语句模板:
输出部分:
输入部分:
破坏描述部分
);
eg:
#include <stdio.h>
#include <time.h>
int main()
{
time_t tt;
struct tm *t;
#if 0
tt = time(NULL);
printf("tt:%x\n",tt);
#else
asm volatile(
"mov $0,%%ebx\n\t"
"mov $0xd,%%eax\n\t"
"int $0x80\n\t"
"mov %%eax,%0\n\t"
: "=m" (tt)
);
printf("tt:%x\n",tt);
#endif
t = localtime(&tt);
printf("time:%d:%d:%d:%d:%d:%d\n",t->tm_year+1900, t->tm_mon, t->tm_mda
return 0;
}