r1.c

linux下编程用 编译软件

void assert (a) {if (a != 1) abort ();}

int h1 (int *p) {return *p & 255;}

void p1 () {int a = 0x01020304; assert (h1 (&a) == 0x04);}


int h2 (a) {return a > 0;}

p2 () {assert (h2 (1));}

h3 (int *p)
{
  *p |= 255;
}

p3 ()
{
  int *p;
  h3 (p);
}

main ()
{
  p1 ();
  p2 ();
  p3 ();
  puts ("Compiler test passed.");
}