The C and C++ Include Header Files

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


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

     1	/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
     2	#ifndef _GENERIC_STATFS_H
     3	#define _GENERIC_STATFS_H
     4	
     5	#include <linux/types.h>
     6	
     7	
     8	/*
     9	 * Most 64-bit platforms use 'long', while most 32-bit platforms use '__u32'.
    10	 * Yes, they differ in signedness as well as size.
    11	 * Special cases can override it for themselves -- except for S390x, which
    12	 * is just a little too special for us. And MIPS, which I'm not touching
    13	 * with a 10' pole.
    14	 */
    15	#ifndef __statfs_word
    16	#if __BITS_PER_LONG == 64
    17	#define __statfs_word __kernel_long_t
    18	#else
    19	#define __statfs_word __u32
    20	#endif
    21	#endif
    22	
    23	struct statfs {
    24		__statfs_word f_type;
    25		__statfs_word f_bsize;
    26		__statfs_word f_blocks;
    27		__statfs_word f_bfree;
    28		__statfs_word f_bavail;
    29		__statfs_word f_files;
    30		__statfs_word f_ffree;
    31		__kernel_fsid_t f_fsid;
    32		__statfs_word f_namelen;
    33		__statfs_word f_frsize;
    34		__statfs_word f_flags;
    35		__statfs_word f_spare[4];
    36	};
    37	
    38	/*
    39	 * ARM needs to avoid the 32-bit padding at the end, for consistency
    40	 * between EABI and OABI 
    41	 */
    42	#ifndef ARCH_PACK_STATFS64
    43	#define ARCH_PACK_STATFS64
    44	#endif
    45	
    46	struct statfs64 {
    47		__statfs_word f_type;
    48		__statfs_word f_bsize;
    49		__u64 f_blocks;
    50		__u64 f_bfree;
    51		__u64 f_bavail;
    52		__u64 f_files;
    53		__u64 f_ffree;
    54		__kernel_fsid_t f_fsid;
    55		__statfs_word f_namelen;
    56		__statfs_word f_frsize;
    57		__statfs_word f_flags;
    58		__statfs_word f_spare[4];
    59	} ARCH_PACK_STATFS64;
    60	
    61	/* 
    62	 * IA64 and x86_64 need to avoid the 32-bit padding at the end,
    63	 * to be compatible with the i386 ABI
    64	 */
    65	#ifndef ARCH_PACK_COMPAT_STATFS64
    66	#define ARCH_PACK_COMPAT_STATFS64
    67	#endif
    68	
    69	struct compat_statfs64 {
    70		__u32 f_type;
    71		__u32 f_bsize;
    72		__u64 f_blocks;
    73		__u64 f_bfree;
    74		__u64 f_bavail;
    75		__u64 f_files;
    76		__u64 f_ffree;
    77		__kernel_fsid_t f_fsid;
    78		__u32 f_namelen;
    79		__u32 f_frsize;
    80		__u32 f_flags;
    81		__u32 f_spare[4];
    82	} ARCH_PACK_COMPAT_STATFS64;
    83	
    84	#endif /* _GENERIC_STATFS_H */