enum{ Stdxmax = 1280, Stdymax = 1024, Click = 2, Down = 1, Nothing = 0, Up = -1 }; typedef struct Mov Mov; struct Mov{ int isquit; char dev; int x; int y; int but[5]; }; extern int buttons; extern int verbose; int initdisplay(); int closedisplay(); int sendmov(Mov *m);