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The C and C++ Include Header Files

/usr/include/x86_64-linux-gnu/bits/statvfs.h


$ cat -n /usr/include/x86_64-linux-gnu/bits/statvfs.h

     1	/* Copyright (C) 1997-2024 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	#ifndef _SYS_STATVFS_H
    19	# error "Never include <bits/statvfs.h> directly; use <sys/statvfs.h> instead."
    20	#endif
    21	
    22	#include <bits/types.h>  /* For __fsblkcnt_t and __fsfilcnt_t.  */
    23	
    24	#if (__WORDSIZE == 32 \
    25	     && (!defined __SYSCALL_WORDSIZE || __SYSCALL_WORDSIZE == 32))
    26	#define _STATVFSBUF_F_UNUSED
    27	#endif
    28	
    29	struct statvfs
    30	  {
    31	    unsigned long int f_bsize;
    32	    unsigned long int f_frsize;
    33	#ifndef __USE_FILE_OFFSET64
    34	    __fsblkcnt_t f_blocks;
    35	    __fsblkcnt_t f_bfree;
    36	    __fsblkcnt_t f_bavail;
    37	    __fsfilcnt_t f_files;
    38	    __fsfilcnt_t f_ffree;
    39	    __fsfilcnt_t f_favail;
    40	#else
    41	    __fsblkcnt64_t f_blocks;
    42	    __fsblkcnt64_t f_bfree;
    43	    __fsblkcnt64_t f_bavail;
    44	    __fsfilcnt64_t f_files;
    45	    __fsfilcnt64_t f_ffree;
    46	    __fsfilcnt64_t f_favail;
    47	#endif
    48	    unsigned long int f_fsid;
    49	#ifdef _STATVFSBUF_F_UNUSED
    50	    int __f_unused;
    51	#endif
    52	    unsigned long int f_flag;
    53	    unsigned long int f_namemax;
    54	    unsigned int f_type;
    55	    int __f_spare[5];
    56	  };
    57	
    58	#ifdef __USE_LARGEFILE64
    59	struct statvfs64
    60	  {
    61	    unsigned long int f_bsize;
    62	    unsigned long int f_frsize;
    63	    __fsblkcnt64_t f_blocks;
    64	    __fsblkcnt64_t f_bfree;
    65	    __fsblkcnt64_t f_bavail;
    66	    __fsfilcnt64_t f_files;
    67	    __fsfilcnt64_t f_ffree;
    68	    __fsfilcnt64_t f_favail;
    69	    unsigned long int f_fsid;
    70	#ifdef _STATVFSBUF_F_UNUSED
    71	    int __f_unused;
    72	#endif
    73	    unsigned long int f_flag;
    74	    unsigned long int f_namemax;
    75	    unsigned int f_type;
    76	    int __f_spare[5];
    77	  };
    78	#endif
    79	
    80	/* Definitions for the flag in `f_flag'.  These definitions should be
    81	   kept in sync with the definitions in <sys/mount.h>.  */
    82	enum
    83	{
    84	  ST_RDONLY = 1,		/* Mount read-only.  */
    85	#define ST_RDONLY	ST_RDONLY
    86	  ST_NOSUID = 2			/* Ignore suid and sgid bits.  */
    87	#define ST_NOSUID	ST_NOSUID
    88	#ifdef __USE_GNU
    89	  ,
    90	  ST_NODEV = 4,			/* Disallow access to device special files.  */
    91	# define ST_NODEV	ST_NODEV
    92	  ST_NOEXEC = 8,		/* Disallow program execution.  */
    93	# define ST_NOEXEC	ST_NOEXEC
    94	  ST_SYNCHRONOUS = 16,		/* Writes are synced at once.  */
    95	# define ST_SYNCHRONOUS	ST_SYNCHRONOUS
    96	  ST_MANDLOCK = 64,		/* Allow mandatory locks on an FS.  */
    97	# define ST_MANDLOCK	ST_MANDLOCK
    98	  ST_WRITE = 128,		/* Write on file/directory/symlink.  */
    99	# define ST_WRITE	ST_WRITE
   100	  ST_APPEND = 256,		/* Append-only file.  */
   101	# define ST_APPEND	ST_APPEND
   102	  ST_IMMUTABLE = 512,		/* Immutable file.  */
   103	# define ST_IMMUTABLE	ST_IMMUTABLE
   104	  ST_NOATIME = 1024,		/* Do not update access times.  */
   105	# define ST_NOATIME	ST_NOATIME
   106	  ST_NODIRATIME = 2048,		/* Do not update directory access times.  */
   107	# define ST_NODIRATIME	ST_NODIRATIME
   108	  ST_RELATIME = 4096,		/* Update atime relative to mtime/ctime.  */
   109	# define ST_RELATIME	ST_RELATIME
   110	  ST_NOSYMFOLLOW = 8192		/* Do not follow symlinks.  */
   111	# define ST_NOSYMFOLLOW	ST_NOSYMFOLLOW
   112	#endif	/* Use GNU.  */
   113	};