void b_main_sink(char * * data_ptr);void _main(){char * data;char data_buf[100]="";data=data_buf;strcpy(data, BAD_OS_COMMAND);b_main_sink(&data);}void b_main_sink(char * * data_ptr){char * data=*data_ptr;system(data);}
void b_main_sink(char * * data);static void main(){char * data;char data_buf[100]="";data=data_buf;strcpy(data, GOOD_OS_COMMAND);b_main_sink(&data);}void b_main_sink(char * * data_ptr){char * data=*data_ptr;system(data);}