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Description:
dup2() function: duplicate an open file descriptor.

Files:
lib/dup2.c
m4/dup2.m4

Depends-on:
unistd
msvc-inval      [test $REPLACE_DUP2 = 1]
msvc-nothrow    [test $REPLACE_DUP2 = 1]

configure.ac:
gl_FUNC_DUP2
if test $REPLACE_DUP2 = 1; then
  AC_LIBOBJ([dup2])
  gl_PREREQ_DUP2
fi
gl_UNISTD_MODULE_INDICATOR([dup2])

Makefile.am:

Include:
<unistd.h>

License:
LGPLv2+

Maintainer:
Paul Eggert, Jim Meyering

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