Symbol: is_void_cast
usr.bin/xlint/lint1/tree.c
3438
!(is_void_cast(tn) && is_local_symbol(tn->u.ops.left)) &&
usr.bin/xlint/lint1/tree.c
3439
!(is_void_cast(tn) && is_int_constant_zero(tn->u.ops.left))) {