ref: 26b371a5159680b6ebdd229d61432f0a81b02317
dir: /netclient.h/
typedef struct
{
char *omsg;
int ntoken;
char **tokens;
int err;
}Netmsg;
extern int sockfd;
int netmove(int dir);
int netput(int x, int y);
char* netread(void);
Netmsg* netmain(void);