The C and C++ Include Header Files

/usr/include/x86_64-linux-gnu/sys/types.h


$ cat -n /usr/include/x86_64-linux-gnu/sys/types.h

     1	/* Copyright (C) 1991-2024 Free Software Foundation, Inc.
     2	   This file is part of the GNU C Library.
     3	
     4	   The GNU C Library is free software; you can redistribute it and/or
     5	   modify it under the terms of the GNU Lesser General Public
     6	   License as published by the Free Software Foundation; either
     7	   version 2.1 of the License, or (at your option) any later version.
     8	
     9	   The GNU C Library is distributed in the hope that it will be useful,
    10	   but WITHOUT ANY WARRANTY; without even the implied warranty of
    11	   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
    12	   Lesser General Public License for more details.
    13	
    14	   You should have received a copy of the GNU Lesser General Public
    15	   License along with the GNU C Library; if not, see
    16	   <https://www.gnu.org/licenses/>.  */
    17	
    18	/*
    19	 *	POSIX Standard: 2.6 Primitive System Data Types	<sys/types.h>
    20	 */
    21	
    22	#ifndef	_SYS_TYPES_H
    23	#define	_SYS_TYPES_H	1
    24	
    25	#include <features.h>
    26	
    27	__BEGIN_DECLS
    28	
    29	#include <bits/types.h>
    30	
    31	#ifdef	__USE_MISC
    32	# ifndef __u_char_defined
    33	typedef __u_char u_char;
    34	typedef __u_short u_short;
    35	typedef __u_int u_int;
    36	typedef __u_long u_long;
    37	typedef __quad_t quad_t;
    38	typedef __u_quad_t u_quad_t;
    39	typedef __fsid_t fsid_t;
    40	#  define __u_char_defined
    41	# endif
    42	typedef __loff_t loff_t;
    43	#endif
    44	
    45	#ifndef __ino_t_defined
    46	# ifndef __USE_FILE_OFFSET64
    47	typedef __ino_t ino_t;
    48	# else
    49	typedef __ino64_t ino_t;
    50	# endif
    51	# define __ino_t_defined
    52	#endif
    53	#if defined __USE_LARGEFILE64 && !defined __ino64_t_defined
    54	typedef __ino64_t ino64_t;
    55	# define __ino64_t_defined
    56	#endif
    57	
    58	#ifndef __dev_t_defined
    59	typedef __dev_t dev_t;
    60	# define __dev_t_defined
    61	#endif
    62	
    63	#ifndef __gid_t_defined
    64	typedef __gid_t gid_t;
    65	# define __gid_t_defined
    66	#endif
    67	
    68	#ifndef __mode_t_defined
    69	typedef __mode_t mode_t;
    70	# define __mode_t_defined
    71	#endif
    72	
    73	#ifndef __nlink_t_defined
    74	typedef __nlink_t nlink_t;
    75	# define __nlink_t_defined
    76	#endif
    77	
    78	#ifndef __uid_t_defined
    79	typedef __uid_t uid_t;
    80	# define __uid_t_defined
    81	#endif
    82	
    83	#ifndef __off_t_defined
    84	# ifndef __USE_FILE_OFFSET64
    85	typedef __off_t off_t;
    86	# else
    87	typedef __off64_t off_t;
    88	# endif
    89	# define __off_t_defined
    90	#endif
    91	#if defined __USE_LARGEFILE64 && !defined __off64_t_defined
    92	typedef __off64_t off64_t;
    93	# define __off64_t_defined
    94	#endif
    95	
    96	#ifndef __pid_t_defined
    97	typedef __pid_t pid_t;
    98	# define __pid_t_defined
    99	#endif
   100	
   101	#if (defined __USE_XOPEN || defined __USE_XOPEN2K8) \
   102	    && !defined __id_t_defined
   103	typedef __id_t id_t;
   104	# define __id_t_defined
   105	#endif
   106	
   107	#ifndef __ssize_t_defined
   108	typedef __ssize_t ssize_t;
   109	# define __ssize_t_defined
   110	#endif
   111	
   112	#ifdef	__USE_MISC
   113	# ifndef __daddr_t_defined
   114	typedef __daddr_t daddr_t;
   115	typedef __caddr_t caddr_t;
   116	#  define __daddr_t_defined
   117	# endif
   118	#endif
   119	
   120	#if (defined __USE_MISC || defined __USE_XOPEN) && !defined __key_t_defined
   121	typedef __key_t key_t;
   122	# define __key_t_defined
   123	#endif
   124	
   125	#if defined __USE_XOPEN || defined __USE_XOPEN2K8
   126	# include <bits/types/clock_t.h>
   127	#endif
   128	#include <bits/types/clockid_t.h>
   129	#include <bits/types/time_t.h>
   130	#include <bits/types/timer_t.h>
   131	
   132	#ifdef __USE_XOPEN
   133	# ifndef __useconds_t_defined
   134	typedef __useconds_t useconds_t;
   135	#  define __useconds_t_defined
   136	# endif
   137	# ifndef __suseconds_t_defined
   138	typedef __suseconds_t suseconds_t;
   139	#  define __suseconds_t_defined
   140	# endif
   141	#endif
   142	
   143	#define	__need_size_t
   144	#include <stddef.h>
   145	
   146	#ifdef __USE_MISC
   147	/* Old compatibility names for C types.  */
   148	typedef unsigned long int ulong;
   149	typedef unsigned short int ushort;
   150	typedef unsigned int uint;
   151	#endif
   152	
   153	/* These size-specific names are used by some of the inet code.  */
   154	
   155	#include <bits/stdint-intn.h>
   156	
   157	/* These were defined by ISO C without the first `_'.  */
   158	typedef __uint8_t u_int8_t;
   159	typedef __uint16_t u_int16_t;
   160	typedef __uint32_t u_int32_t;
   161	typedef __uint64_t u_int64_t;
   162	
   163	#if __GNUC_PREREQ (2, 7)
   164	typedef int register_t __attribute__ ((__mode__ (__word__)));
   165	#else
   166	typedef int register_t;
   167	#endif
   168	
   169	/* Some code from BIND tests this macro to see if the types above are
   170	   defined.  */
   171	#define __BIT_TYPES_DEFINED__	1
   172	
   173	
   174	#ifdef	__USE_MISC
   175	/* In BSD <sys/types.h> is expected to define BYTE_ORDER.  */
   176	# include <endian.h>
   177	
   178	/* It also defines `fd_set' and the FD_* macros for `select'.  */
   179	# include <sys/select.h>
   180	#endif /* Use misc.  */
   181	
   182	
   183	#if (defined __USE_UNIX98 || defined __USE_XOPEN2K8) \
   184	    && !defined __blksize_t_defined
   185	typedef __blksize_t blksize_t;
   186	# define __blksize_t_defined
   187	#endif
   188	
   189	/* Types from the Large File Support interface.  */
   190	#ifndef __USE_FILE_OFFSET64
   191	# ifndef __blkcnt_t_defined
   192	typedef __blkcnt_t blkcnt_t;	 /* Type to count number of disk blocks.  */
   193	#  define __blkcnt_t_defined
   194	# endif
   195	# ifndef __fsblkcnt_t_defined
   196	typedef __fsblkcnt_t fsblkcnt_t; /* Type to count file system blocks.  */
   197	#  define __fsblkcnt_t_defined
   198	# endif
   199	# ifndef __fsfilcnt_t_defined
   200	typedef __fsfilcnt_t fsfilcnt_t; /* Type to count file system inodes.  */
   201	#  define __fsfilcnt_t_defined
   202	# endif
   203	#else
   204	# ifndef __blkcnt_t_defined
   205	typedef __blkcnt64_t blkcnt_t;	   /* Type to count number of disk blocks.  */
   206	#  define __blkcnt_t_defined
   207	# endif
   208	# ifndef __fsblkcnt_t_defined
   209	typedef __fsblkcnt64_t fsblkcnt_t; /* Type to count file system blocks.  */
   210	#  define __fsblkcnt_t_defined
   211	# endif
   212	# ifndef __fsfilcnt_t_defined
   213	typedef __fsfilcnt64_t fsfilcnt_t; /* Type to count file system inodes.  */
   214	#  define __fsfilcnt_t_defined
   215	# endif
   216	#endif
   217	
   218	#ifdef __USE_LARGEFILE64
   219	typedef __blkcnt64_t blkcnt64_t;     /* Type to count number of disk blocks. */
   220	typedef __fsblkcnt64_t fsblkcnt64_t; /* Type to count file system blocks.  */
   221	typedef __fsfilcnt64_t fsfilcnt64_t; /* Type to count file system inodes.  */
   222	#endif
   223	
   224	
   225	/* Now add the thread types.  */
   226	#if defined __USE_POSIX199506 || defined __USE_UNIX98
   227	# include <bits/pthreadtypes.h>
   228	#endif
   229	
   230	__END_DECLS
   231	
   232	#endif /* sys/types.h */