C/C++ Interactive Reference Guide/C-C++ Interactive Reference Guide.iso/c_ref/csource3/163_01/assert.c

C/C++ Source or Header | 1988-02-01 | 512 b | 12 lines

extern int *stderr;
extern int fputs(), abort();
/*
** assert -- program verification
*/
assert(expression) int expression; {
  if(!expression) { /* expression should be true -- false is error */
    fputs("Assertion failed\n", stderr);
    abort(2); /* use abort to get traceback */
    }
  }