usr/src/local/ditroff/ditroff.okeeffe/tw.h

/* typewriter driving table structure */

#define NROFFCHARS      350     /* ought to be dynamic */

extern struct t {
        int     bset;           /* these bits have to be on */
        int     breset;         /* these bits have to be off */
        int     Hor;            /* #units in minimum horiz motion */
        int     Vert;           /* #units in minimum vert motion */
        int     Newline;        /* #units in single line space */
        int     Char;           /* #units in character width */
        int     Em;             /* ditto */
        int     Halfline;       /* half line units */
        int     Adj;            /* minimum units for horizontal adjustment */
        char    *twinit;        /* initialize terminal */
        char    *twrest;        /* reinitialize terminal */
        char    *twnl;          /* terminal sequence for newline */
        char    *hlr;           /* half-line reverse */
        char    *hlf;           /* half-line forward */
        char    *flr;           /* full-line reverse */
        char    *bdon;          /* turn bold mode on */
        char    *bdoff;         /* turn bold mode off */
        char    *iton;          /* turn italic mode on */
        char    *itoff;         /* turn italic mode off */
        char    *ploton;        /* turn plot mode on */
        char    *plotoff;       /* turn plot mode off */
        char    *up;            /* sequence to move up in plot mode */
        char    *down;          /* ditto */
        char    *right;         /* ditto */
        char    *left;          /* ditto */
        char    *eject;         /* sequence to eject page */

        char    *codetab[NROFFCHARS-128];
        char    width[NROFFCHARS];
} t;