# Common for the GKI (graphics kernel interface) package. int gk_type[LAST_FD] # type of output int gk_fd[LAST_FD] # output file descriptor int gk_dd[LEN_GKIDD] # local device driver int gk_prpsio # EPA of pr_psio procedure common /gkicom/ gk_type, gk_fd, gk_dd, gk_prpsio