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GNU
2010-09-15
Aliases: fprintf(3), snprintf(3), sprintf(3), vdprintf(3), vdprintf(3), vdprintf(3), vdprintf(3), vdprintf(3), vdprintf(3), vdprintf(3), vdprintf(3), vfprintf(3), vprintf(3), vsnprintf(3), vsprintf(3)

man-pages

Linux kernel and C library user-space interface documentation

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

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/.

REFERENCED BY

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