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The C and C++ Include Header Files

/usr/include/x86_64-linux-gnu/bits/uio-ext.h


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

     1	/* Operating system-specific extensions to sys/uio.h - Linux version.
     2	   Copyright (C) 1996-2024 Free Software Foundation, Inc.
     3	   This file is part of the GNU C Library.
     4	
     5	   The GNU C Library is free software; you can redistribute it and/or
     6	   modify it under the terms of the GNU Lesser General Public
     7	   License as published by the Free Software Foundation; either
     8	   version 2.1 of the License, or (at your option) any later version.
     9	
    10	   The GNU C Library is distributed in the hope that it will be useful,
    11	   but WITHOUT ANY WARRANTY; without even the implied warranty of
    12	   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
    13	   Lesser General Public License for more details.
    14	
    15	   You should have received a copy of the GNU Lesser General Public
    16	   License along with the GNU C Library; if not, see
    17	   <https://www.gnu.org/licenses/>.  */
    18	
    19	#ifndef _BITS_UIO_EXT_H
    20	#define _BITS_UIO_EXT_H 1
    21	
    22	#ifndef _SYS_UIO_H
    23	# error "Never include <bits/uio-ext.h> directly; use <sys/uio.h> instead."
    24	#endif
    25	
    26	__BEGIN_DECLS
    27	
    28	/* Read from another process' address space.  */
    29	extern ssize_t process_vm_readv (pid_t __pid, const struct iovec *__lvec,
    30					 unsigned long int __liovcnt,
    31					 const struct iovec *__rvec,
    32					 unsigned long int __riovcnt,
    33					 unsigned long int __flags)
    34	  __THROW;
    35	
    36	/* Write to another process' address space.  */
    37	extern ssize_t process_vm_writev (pid_t __pid, const struct iovec *__lvec,
    38					  unsigned long int __liovcnt,
    39					  const struct iovec *__rvec,
    40					  unsigned long int __riovcnt,
    41					  unsigned long int __flags)
    42	  __THROW;
    43	
    44	/* Flags for preadv2/pwritev2.  */
    45	#define RWF_HIPRI	0x00000001 /* High priority request.  */
    46	#define RWF_DSYNC	0x00000002 /* per-IO O_DSYNC.  */
    47	#define RWF_SYNC	0x00000004 /* per-IO O_SYNC.  */
    48	#define RWF_NOWAIT	0x00000008 /* per-IO nonblocking mode.  */
    49	#define RWF_APPEND	0x00000010 /* per-IO O_APPEND.  */
    50	
    51	__END_DECLS
    52	
    53	#endif /* bits/uio-ext.h */