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/* { dg-do run } */
/* { dg-options "-ansi" } */
 
extern void abort (void);
 
/* Basic tests for trigraph conversion.
   All of them are here, but not in all possible contexts.  *??/
/
 
??=include <stdio.h>
 
??=define TWELVE 1??/
2
 
static const char str??(??) = "0123456789??/n";
 
int
main(void)
??<
  unsigned char x = 5;
 
  if (sizeof str != TWELVE)
    abort ();
 
  /* Test ^=, the only multi-character token to come from trigraphs.  */
  x ??'= 3;
  if (x != 6)
    abort ();
 
  if ((5 ??! 3) != 7)
    abort ();
 
  return 0;
??>