The C and C++ Include Header Files

/usr/include/asm-generic/termios.h


$ cat -n /usr/include/asm-generic/termios.h

     1	/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
     2	#ifndef _ASM_GENERIC_TERMIOS_H
     3	#define _ASM_GENERIC_TERMIOS_H
     4	/*
     5	 * Most architectures have straight copies of the x86 code, with
     6	 * varying levels of bug fixes on top. Usually it's a good idea
     7	 * to use this generic version instead, but be careful to avoid
     8	 * ABI changes.
     9	 * New architectures should not provide their own version.
    10	 */
    11	
    12	#include <asm/termbits.h>
    13	#include <asm/ioctls.h>
    14	
    15	struct winsize {
    16		unsigned short ws_row;
    17		unsigned short ws_col;
    18		unsigned short ws_xpixel;
    19		unsigned short ws_ypixel;
    20	};
    21	
    22	#define NCC 8
    23	struct termio {
    24		unsigned short c_iflag;		/* input mode flags */
    25		unsigned short c_oflag;		/* output mode flags */
    26		unsigned short c_cflag;		/* control mode flags */
    27		unsigned short c_lflag;		/* local mode flags */
    28		unsigned char c_line;		/* line discipline */
    29		unsigned char c_cc[NCC];	/* control characters */
    30	};
    31	
    32	/* modem lines */
    33	#define TIOCM_LE	0x001
    34	#define TIOCM_DTR	0x002
    35	#define TIOCM_RTS	0x004
    36	#define TIOCM_ST	0x008
    37	#define TIOCM_SR	0x010
    38	#define TIOCM_CTS	0x020
    39	#define TIOCM_CAR	0x040
    40	#define TIOCM_RNG	0x080
    41	#define TIOCM_DSR	0x100
    42	#define TIOCM_CD	TIOCM_CAR
    43	#define TIOCM_RI	TIOCM_RNG
    44	#define TIOCM_OUT1	0x2000
    45	#define TIOCM_OUT2	0x4000
    46	#define TIOCM_LOOP	0x8000
    47	
    48	/* ioctl (fd, TIOCSERGETLSR, &result) where result may be as below */
    49	
    50	
    51	#endif /* _ASM_GENERIC_TERMIOS_H */