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