dup3              570 lib/unistd.in.h _GL_FUNCDECL_RPL (dup3, int, (int oldfd, int newfd, int flags));
dup3              571 lib/unistd.in.h _GL_CXXALIAS_RPL (dup3, int, (int oldfd, int newfd, int flags));
dup3              574 lib/unistd.in.h _GL_FUNCDECL_SYS (dup3, int, (int oldfd, int newfd, int flags));
dup3              576 lib/unistd.in.h _GL_CXXALIAS_SYS (dup3, int, (int oldfd, int newfd, int flags));
dup3              579 lib/unistd.in.h _GL_CXXALIASWARN (dup3);
dup3              584 lib/unistd.in.h _GL_WARN_ON_USE (dup3, "dup3 is unportable - "