long _xseek();







/* Global stuff */



unsigned recd;			/* current record, */

int rdx;			/* index file handle, */

int hlp;			/* help file handle */

int changed;			/* true if record has been changed */



char linebuf[81];		/* local line editing, */



/* Screen variables, */



int lines;			/* number of lines, */

int cols;			/* number of columns, */

int bottom;			/* bottom screen line number, */



/* Character for drawing boxes. */



char ulcorner;			/* char for upper left corner */

char urcorner;			/* upper right corner, */

char llcorner;			/* lower left corner, */

char lrcorner;			/* lower right corner, */

char vertbar;			/* vertical bar, */

char horizbar;			/* horizontal bar, */