void main_sink(struct_type my_struct);void main(){char * data;struct_type my_struct;data=NULL;data=(char *)calloc(100, sizeof(char));my_struct.a=data;main_sink(my_struct);}void main_sink(struct_type my_struct){char * data=my_struct.a;delete data;}
static void main(){char * data;struct_type my_struct;data=NULL;data=(char *)calloc(100, sizeof(char));my_struct.a=data;main_sink(my_struct);}void main_sink(struct_type my_struct){char * data=my_struct.a;free(data);}