1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79
  
     | 
    
      # include <stdarg.h>
# include "bool.h"
int sumn (int x, ...)
{
  int y = 0;
  void *yaba;
  va_list args;
  va_start (args, (void *)x); /* okay (args counts as out param) */
  while (x > 0)
    {
      x--;
      y = va_arg (args, int); /* okay */
      y = va_arg (args, char *); /* type error */
      y = va_arg (yaba, int); /* error */
    }
  return y;
}
int test (int x, char *s)
{
  x = sumn(); /* bad */
  x = sumn(x); /* okay */
  x = sumn(s); /* bad */
  x = sumn(x, s); /* okay */
  x = test (x, s, x); /* bad */
  return x;
}
int missingargs (int x, int y)  /* this is okay */
{
  y = x;
  return x;
}
int severalargs (char c, int y, bool b) /* first arg: int, second char *, third extra */
{
  if (b) { c = 'a'; }
  return y;
}
int severalargs2 (int x)  /* bad */
{
  return x;
}
int voidargs (char c) /* bad */
{
  c = 'a'; 
  return 3;
}
int any (...) /* ok */
{
  return 3;
}
int many1 (int x, char c, float f) /* bad */
{
  x;
  c;
  f;
  return x;
}
int many2 (int x, char c, ...)
{
  c;
  return x;
}
int many3 (int x) /* bad */
{
  return x;
}
 
     |