一、文件位置
/usr/include/sys/_termios.h
二、文件内容
/*- * SPDX-License-Identifier: BSD-3-Clause * * Copyright (c) 1988, 1989, 1993, 1994 * The Regents of the University of California. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. Neither the name of the University nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * @(#)termios.h 8.3 (Berkeley) 3/28/94 * $FreeBSD: releng/12.0/sys/sys/_termios.h 326023 2017-11-20 19:43:44Z pfg $ */ #ifndef _SYS__TERMIOS_H_ #define _SYS__TERMIOS_H_ /* * Special Control Characters * * Index into c_cc[] character array. * * Name Subscript Enabled by */ #define VEOF 0 /* ICANON */ #define VEOL 1 /* ICANON */ #if __BSD_VISIBLE #define VEOL2 2 /* ICANON together with IEXTEN */ #endif #define VERASE 3 /* ICANON */ #if __BSD_VISIBLE #define VWERASE 4 /* ICANON together with IEXTEN */ #endif #define VKILL 5 /* ICANON */ #if __BSD_VISIBLE #define VREPRINT 6 /* ICANON together with IEXTEN */ #define VERASE2 7 /* ICANON */ #endif /* 7 ex-spare 1 */ #define VINTR 8 /* ISIG */ #define VQUIT 9 /* ISIG */ #define VSUSP 10 /* ISIG */ #if __BSD_VISIBLE #define VDSUSP 11 /* ISIG together with IEXTEN */ #endif #define VSTART 12 /* IXON, IXOFF */ #define VSTOP 13 /* IXON, IXOFF */ #if __BSD_VISIBLE #define VLNEXT 14 /* IEXTEN */ #define VDISCARD 15 /* IEXTEN */ #endif #define VMIN 16 /* !ICANON */ #define VTIME 17 /* !ICANON */ #if __BSD_VISIBLE #define VSTATUS 18 /* ICANON together with IEXTEN */ /* 19 spare 2 */ #endif #define NCCS 20 #define _POSIX_VDISABLE 0xff /* * Input flags - software input processing */ #define IGNBRK 0x00000001 /* ignore BREAK condition */ #define BRKINT 0x00000002 /* map BREAK to SIGINTR */ #define IGNPAR 0x00000004 /* ignore (discard) parity errors */ #define PARMRK 0x00000008 /* mark parity and framing errors */ #define INPCK 0x00000010 /* enable checking of parity errors */ #define ISTRIP 0x00000020 /* strip 8th bit off chars */ #define INLCR 0x00000040 /* map NL into CR */ #define IGNCR 0x00000080 /* ignore CR */ #define ICRNL 0x00000100 /* map CR to NL (ala CRMOD) */ #define IXON 0x00000200 /* enable output flow control */ #define IXOFF 0x00000400 /* enable input flow control */ #if __XSI_VISIBLE || __POSIX_VISIBLE >= 200809 #define IXANY 0x00000800 /* any char will restart after stop */ #endif #if __BSD_VISIBLE #define IMAXBEL 0x00002000 /* ring bell on input queue full */ #endif /* * Output flags - software output processing */ #define OPOST 0x00000001 /* enable following output processing */ #if __XSI_VISIBLE #define ONLCR 0x00000002 /* map NL to CR-NL (ala CRMOD) */ #endif #if __BSD_VISIBLE #define TABDLY 0x00000004 /* tab delay mask */ #define TAB0 0x00000000 /* no tab delay and expansion */ #define TAB3 0x00000004 /* expand tabs to spaces */ #define ONOEOT 0x00000008 /* discard EOT's (^D) on output) */ #endif #if __XSI_VISIBLE #define OCRNL 0x00000010 /* map CR to NL on output */ #define ONOCR 0x00000020 /* no CR output at column 0 */ #define ONLRET 0x00000040 /* NL performs CR function */ #endif /* * Control flags - hardware control of terminal */ #if __BSD_VISIBLE #define CIGNORE 0x00000001 /* ignore control flags */ #endif #define CSIZE 0x00000300 /* character size mask */ #define CS5 0x00000000 /* 5 bits (pseudo) */ #define CS6 0x00000100 /* 6 bits */ #define CS7 0x00000200 /* 7 bits */ #define CS8 0x00000300 /* 8 bits */ #define CSTOPB 0x00000400 /* send 2 stop bits */ #define CREAD 0x00000800 /* enable receiver */ #define PARENB 0x00001000 /* parity enable */ #define PARODD 0x00002000 /* odd parity, else even */ #define HUPCL 0x00004000 /* hang up on last close */ #define CLOCAL 0x00008000 /* ignore modem status lines */ #if __BSD_VISIBLE #define CCTS_OFLOW 0x00010000 /* CTS flow control of output */ #define CRTSCTS (CCTS_OFLOW | CRTS_IFLOW) #define CRTS_IFLOW 0x00020000 /* RTS flow control of input */ #define CDTR_IFLOW 0x00040000 /* DTR flow control of input */ #define CDSR_OFLOW 0x00080000 /* DSR flow control of output */ #define CCAR_OFLOW 0x00100000 /* DCD flow control of output */ #endif /* * "Local" flags - dumping ground for other state * * Warning: some flags in this structure begin with * the letter "I" and look like they belong in the * input flag. */ #if __BSD_VISIBLE #define ECHOKE 0x00000001 /* visual erase for line kill */ #endif #define ECHOE 0x00000002 /* visually erase chars */ #define ECHOK 0x00000004 /* echo NL after line kill */ #define ECHO 0x00000008 /* enable echoing */ #define ECHONL 0x00000010 /* echo NL even if ECHO is off */ #if __BSD_VISIBLE #define ECHOPRT 0x00000020 /* visual erase mode for hardcopy */ #define ECHOCTL 0x00000040 /* echo control chars as ^(Char) */ #endif #define ISIG 0x00000080 /* enable signals INTR, QUIT, [D]SUSP */ #define ICANON 0x00000100 /* canonicalize input lines */ #if __BSD_VISIBLE #define ALTWERASE 0x00000200 /* use alternate WERASE algorithm */ #endif #define IEXTEN 0x00000400 /* enable DISCARD and LNEXT */ #define EXTPROC 0x00000800 /* external processing */ #define TOSTOP 0x00400000 /* stop background jobs from output */ #if __BSD_VISIBLE #define FLUSHO 0x00800000 /* output being flushed (state) */ #define NOKERNINFO 0x02000000 /* no kernel output from VSTATUS */ #define PENDIN 0x20000000 /* XXX retype pending input (state) */ #endif #define NOFLSH 0x80000000 /* don't flush after interrupt */ /* * Standard speeds */ #define B0 0 #define B50 50 #define B75 75 #define B110 110 #define B134 134 #define B150 150 #define B200 200 #define B300 300 #define B600 600 #define B1200 1200 #define B1800 1800 #define B2400 2400 #define B4800 4800 #define B9600 9600 #define B19200 19200 #define B38400 38400 #if __BSD_VISIBLE #define B7200 7200 #define B14400 14400 #define B28800 28800 #define B57600 57600 #define B76800 76800 #define B115200 115200 #define B230400 230400 #define B460800 460800 #define B921600 921600 #define EXTA 19200 #define EXTB 38400 #endif typedef unsigned int tcflag_t; typedef unsigned char cc_t; typedef unsigned int speed_t; struct termios { tcflag_t c_iflag; /* input flags */ tcflag_t c_oflag; /* output flags */ tcflag_t c_cflag; /* control flags */ tcflag_t c_lflag; /* local flags */ cc_t c_cc[NCCS]; /* control chars */ speed_t c_ispeed; /* input speed */ speed_t c_ospeed; /* output speed */ }; #endif /* !_SYS__TERMIOS_H_ */