dup3              548 lib/unistd.in.h _GL_FUNCDECL_RPL (dup3, int, (int oldfd, int newfd, int flags));
dup3              549 lib/unistd.in.h _GL_CXXALIAS_RPL (dup3, int, (int oldfd, int newfd, int flags));
dup3              551 lib/unistd.in.h _GL_FUNCDECL_SYS (dup3, int, (int oldfd, int newfd, int flags));
dup3              552 lib/unistd.in.h _GL_CXXALIAS_SYS (dup3, int, (int oldfd, int newfd, int flags));
dup3              554 lib/unistd.in.h _GL_CXXALIASWARN (dup3);
dup3              558 lib/unistd.in.h _GL_WARN_ON_USE (dup3, "dup3 is unportable - "