const char *keyPadMatrix[] = { "1","2","3","A", "4","5","6","B", "7","8","9","C", "*","0","#","D", 0xFF }; int main () {}
Standard input is empty
prog.c:7:5: error: initialization makes pointer from integer without a cast [-Werror=int-conversion]
0xFF
^~~~
prog.c:7:5: note: (near initialization for ‘keyPadMatrix[16]’)
cc1: all warnings being treated as errors
Standard output is empty