EN JA
DPRINTF(3)
DPRINTF(3) Linux Programmer's Manual DPRINTF(3)

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 );
 

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 3.53 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/.
2010-09-15 GNU