void
fork()
{
asm("mov $1, %eax");
asm("int $48");
}
cons_putc(int c)
asm("mov $4, %eax");
puts(char *s)
int i;
for(i = 0; s[i]; i++)
cons_putc(s[i]);
main()
// fork();
puts("hello!\n");
while(1)
;