1 /* $NetBSD: tty.h,v 1.2 1997/01/12 19:12:25 tls Exp $ */ 2 3 /* 4 tty.h -- centralized definitions for a variety of terminal interfaces 5 6 created by DPK, Oct. 1986 7 8 Rearranged to work with autoconf, added TTY_state, get_tty/set_tty 9 Michael Rendell, May '94 10 11 last edit: 30-Jul-1987 D A Gwyn 12 */ 13 /* $NetBSD: tty.h,v 1.2 1997/01/12 19:12:25 tls Exp $ */ 14 15 /* some useful #defines */ 16 #ifdef EXTERN 17 # define I__(i) = i 18 #else 19 # define I__(i) 20 # define EXTERN extern 21 # define EXTERN_DEFINED 22 #endif 23 24 /* Don't know of a system on which including sys/ioctl.h with termios.h 25 * causes problems. If there is one, these lines need to be deleted and 26 * aclocal.m4 needs to have stuff un-commented. 27 */ 28 #ifdef SYS_IOCTL_WITH_TERMIOS 29 # define SYS_IOCTL_WITH_TERMIOS 30 #endif /* SYS_IOCTL_WITH_TERMIOS */ 31 #ifdef SYS_IOCTL_WITH_TERMIO 32 # define SYS_IOCTL_WITH_TERMIO 33 #endif /* SYS_IOCTL_WITH_TERMIO */ 34 35 #ifdef HAVE_TERMIOS_H 36 # include <termios.h> 37 # ifdef SYS_IOCTL_WITH_TERMIOS 38 # if !(defined(sun) && !defined(__svr4__)) /* too many warnings on sunos */ 39 /* Need to include sys/ioctl.h on some systems to get the TIOCGWINSZ 40 * stuff (eg, digital unix). 41 */ 42 # include <sys/ioctl.h> 43 # endif /* !(sun && !__svr4__) */ 44 # endif /* SYS_IOCTL_WITH_TERMIOS */ 45 typedef struct termios TTY_state; 46 #else 47 # ifdef HAVE_TERMIO_H 48 # include <termio.h> 49 # ifdef SYS_IOCTL_WITH_TERMIO 50 # include <sys/ioctl.h> /* see comment above in termios stuff */ 51 # endif /* SYS_IOCTL_WITH_TERMIO */ 52 # if _BSD_SYSV /* BRL UNIX System V emulation */ 53 # ifndef NTTYDISC 54 # define TIOCGETD _IOR( 't', 0, int ) 55 # define TIOCSETD _IOW( 't', 1, int ) 56 # define NTTYDISC 2 57 # endif 58 # ifndef TIOCSTI 59 # define TIOCSTI _IOW( 't', 114, char ) 60 # endif 61 # ifndef TIOCSPGRP 62 # define TIOCSPGRP _IOW( 't', 118, int ) 63 # endif 64 # endif /* _BSD_SYSV */ 65 typedef struct termio TTY_state; 66 # else /* HAVE_TERMIO_H */ 67 /* Assume BSD tty stuff. Uses TIOCGETP, TIOCSETN; uses TIOCGATC/TIOCSATC if 68 * available, otherwise it uses TIOCGETC/TIOCSETC (also uses TIOCGLTC/TIOCSLTC 69 * if available) 70 */ 71 # ifdef _MINIX 72 # include <sgtty.h> 73 # define TIOCSETN TIOCSETP 74 # else 75 # include <sys/ioctl.h> 76 # endif 77 typedef struct { 78 struct sgttyb sgttyb; 79 # ifdef TIOCGATC 80 struct lchars lchars; 81 # else /* TIOCGATC */ 82 struct tchars tchars; 83 # ifdef TIOCGLTC 84 struct ltchars ltchars; 85 # endif /* TIOCGLTC */ 86 # endif /* TIOCGATC */ 87 } TTY_state; 88 # endif /* HAVE_TERMIO_H */ 89 #endif /* HAVE_TERMIOS_H */ 90 91 /* Flags for set_tty() */ 92 #define TF_NONE 0x00 93 #define TF_WAIT 0x01 /* drain output, even it requires sleep() */ 94 #define TF_MIPSKLUDGE 0x02 /* kludge to unwedge RISC/os 5.0 tty driver */ 95 96 EXTERN int tty_fd I__(-1); /* dup'd tty file descriptor */ 97 EXTERN int tty_devtty; /* true if tty_fd is from /dev/tty */ 98 EXTERN TTY_state tty_state; /* saved tty state */ 99 100 extern int get_tty ARGS((int fd, TTY_state *ts)); 101 extern int set_tty ARGS((int fd, TTY_state *ts, int flags)); 102 extern void tty_init ARGS((int init_ttystate)); 103 extern void tty_close ARGS((void)); 104 105 /* be sure not to interfere with anyone else's idea about EXTERN */ 106 #ifdef EXTERN_DEFINED 107 # undef EXTERN_DEFINED 108 # undef EXTERN 109 #endif 110 #undef I__ 111
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