Name

dprintf, vdprintf — print to a file descriptor

Synopsis

#include <stdio.h>
int dprintf( int fd,
  const char *format,
  ...);
 
int vdprintf( int fd,
  const char *format,
  va_list ap);
 
[Note] Note
Feature Test Macro Requirements for glibc (see feature_test_macros(7)):
dprintf(), vdprintf():
Since glibc 2.10:
_XOPEN_SOURCE >= 700 || _POSIX_C_SOURCE >= 200809L
Before glibc 2.10:
_GNU_SOURCE

DESCRIPTION

The functions dprintf() and vdprintf() (as found in the glibc2 library) are exact analogs of fprintf(3) and vfprintf(3), except that they output to a file descriptor fd instead of to a stdio stream.

CONFORMING TO

These functions are GNU extensions that are nowadays specified in POSIX.1-2008.

SEE ALSO

printf(3)

COLOPHON

This page is part of release 3.52 of the Linux man-pages project. A description of the project, and information about reporting bugs, can be found at http://www.kernel.org/doc/man−pages/.


  Copyright (C) 2001 Andries Brouwer <aebcwi.nl>
Text fragments inspired by Martin Schulze <joeyinfodrom.org>.

%%%LICENSE_START(VERBATIM)
Permission is granted to make and distribute verbatim copies of this
manual provided the copyright notice and this permission notice are
preserved on all copies.

Permission is granted to copy and distribute modified versions of this
manual under the conditions for verbatim copying, provided that the
entire resulting derived work is distributed under the terms of a
permission notice identical to this one.

Since the Linux kernel and libraries are constantly changing, this
manual page may be incorrect or out-of-date.  The author(s) assume no
responsibility for errors or omissions, or for damages resulting from
the use of the information contained herein.  The author(s) may not
have taken the same level of care in the production of this manual,
which is licensed free of charge, as they might when working
professionally.

Formatted or processed versions of this manual, if unaccompanied by
the source, must acknowledge the copyright and authors of this work.
%%%LICENSE_END