0_0_12907905_26824.c: In function `fx': 0_0_12907905_26824.c:14: error: invalid type argument of `unary *' 0_0_12907905_26824.c:14: error: invalid type argument of `unary *' 0_0_12907905_26824.c:16: error: invalid type argument of `unary *'