Function fclose_orDie

freebsd/contrib/zstd/examples/common.h:111–117

! fclose_orDie() : * Close an opened file using given FILE pointer. */

 * Close an opened file using given FILE pointer.
 */
static void fclose_orDie(FILE* file)
{
    if (!fclose(file)) { return; };
    /* error */
    perror("fclose");
    exit(ERROR_fclose);
}

/*! fread_orDie() :
 *