enum-3.c

来自「Mac OS X 10.4.9 for x86 Source Code gcc」· C语言 代码 · 共 25 行

/* The composite type of int and an enum compatible with int might be
   either of the two types, but it isn't an unsigned type.  */
/* Origin: Joseph Myers <[e-mail]> */

#include <limits.h>

#include <stdio.h>

extern void abort (void);
extern void exit (int);

enum e { a = INT_MIN };

int *p;
enum e *q;
int
main (void)
{
  enum e x = a;
  q = &x;
  if (*(1 ? q : p) > 0)
    abort ();
  exit (0);
}