3 * Communication of the client with the server (by reading and writing files)
4 * and the user (by writing to the screen and reading keypresses).
12 /* Write "msg" plus newline to server input file at world.path_server_in.
14 * "msg" must fit into size defined by PIPE_BUF so that no race conditiosn
15 * arise by many clients writing to the file in parallel.
17 extern void send(char * msg);
19 /* Keep checking for user input, a changed worldstate file and the server's
20 * wakefulness. Update client's world representation on worldstate file changes.
21 * Manipulate the client and send commands to server based on the user input as
22 * interpreted by the control.h library.
24 * On each change / activity, re-draw the windows with draw_all_wins(). When the
25 * loop ends regularly (due to the user sending a quit command), return an
26 * appropriate quit message to write to stdout when the client winds down. Call
27 * reset_windows() on receiving a SIGWINCH. Abort on assumed server death if the
28 * server's out file does not get updated, even on PING requests.
30 extern char * io_loop();