Listing 6 The __assert support function

/* xassert.c */
#include <stdio.h>
#include <stdlib.h>

void __assert(char *cond, char *fname, long lineno)
{
   fprintf(stderr,
          "Assertion failed: %s, file %s, line %ld\n",
          cond,fname,lineno);
   abort();
}

/* End of File */