#include <stdio.h>
#include <string.h>

int main(){
    char *hello = "Hello World\n";
    int length = strlen(hello);
    __asm__("movl $4, %%eax \n\t"
            "movl $1, %%ebx \n\t"
            "int $0x80 \n\t"
            :
            :"c"(hello), "d"(length)
            );
    return 0;
}