1 #include "common.h"
2 #include "inet.h"
3 #define SZ 40
4 #include <signal.h>
5 #include <errno.h>
6 #include <sys/types.h>
7 #include <sys/time.h>
8 #include <unistd.h>
9 
10 void kl() , draw() , net_main() ;
11 
12 void err_sys() ;
13 int readline() ;
14 int writen() ;
15 
16 void err_sys() ;
17 int readline() ;
18 int writen() ;
19 
20 int vsmap[8][12] ;
21 void draw() ;
22