void _main(){char data;char *data_ptr1=&data;char *data_ptr2=&data;data=' ';{char data=*data_ptr1;fscanf (stdin, "%c", &data);}{char data=*data_ptr2;{char result=data-1;printHexCharLine(result);}}}
static void main(){char data;char *data_ptr1=&data;char *data_ptr2=&data;data=' ';{char data=*data_ptr1;fscanf (stdin, "%c", &data);}{char data=*data_ptr2;{char result=0;if (data > CHAR_MIN){result=data-1;printHexCharLine(result);}else{printLine("Input value is too small to perform arithmetic safely.");}}}}