don't blow away TERMCAP environmental variable if a path

[unix-history] / usr / src / usr.bin / tset / extern.h

/*-
* Copyright (c) 1991 The Regents of the University of California.
* All rights reserved.
*
* %sccs.include.redist.c%
*
*      @(#)extern.h    5.2 (Berkeley) %G%
*/

/* This should be in <termcap.h> instead. */
extern char PC;
extern short ospeed;
int      tgetent __P((char *, char *));
int      tgetflag __P((char *));
int      tgetnum __P((char *));
char    *tgetstr __P((char *, char **));
char    *tgoto __P((char *, int, int));
int      tputs __P((char *, int, void (*) __P((int))));

extern struct termios mode, oldmode;
extern int columns, isreset, lines;
extern int erasechar, intrchar, killchar;

void     add_mapping __P((char *, char *));
void     cat __P((char *));
void     err __P((const char *, ...));
char    *get_termcap_entry __P((char *, char **));
char    *mapped __P((char *));
void     outc __P((int));
void     reset_mode __P((void));
void     set_control_chars __P((void));
void     set_conversions __P((int));
void     set_init __P((void));
void     wrtermcap __P((char *));