Found in: /daemons/char_d/appear.c

 put a char to prison, 
 para p_id the id of the prisoner, it must be given
 p_time how long in jail, default is 5
 p_area in which jail, default is the area of current room of the char
 p_msg the message to put in jail has default value
 so the easiest way to send a char to prison is 
 CHAR_D->put_prison(p_id);
