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