void b_main_sink(char data_array[]);void _main(){char data;char data_array[5];data=' ';data=(char)rand();data_array[2]=data;b_main_sink(data_array);}void b_main_sink(char data_array[]){char data=data_array[2];{char result=data-1;printHexCharLine(result);}}
static void main(){char data;char data_array[5];data=' ';data=(char)rand();data_array[2]=data;b_main_sink(data_array);}void b_main_sink(char data_array[]){char data=data_array[2];{char result=0;if (data > CHAR_MIN){result=data-1;printHexCharLine(result);}else{printLine("Input value is too small to perform arithmetic safely.");}}}