dup2              236 lib-src/seccomp-filter.c   RULE (SCMP_ACT_ALLOW, SCMP_SYS (dup2));
dup2               65 lib/cloexec.c    if (dup2 (desc, desc) < 0)
dup2              144 lib/dup2.c       dupfd = dup2 (fd, desired_fd);
dup2              179 lib/dup2.c       result = dup2 (fd, desired_fd);
dup2              241 lib/fcntl.c            if (0 <= dup2 (fd, fd))
dup2              574 lib/fcntl.c              result = dup2 (fd, arg);
dup2              111 lib/pselect.c            && dup2 (i, i) != i)
dup2              521 lib/unistd.in.h _GL_FUNCDECL_RPL (dup2, int, (int oldfd, int newfd));
dup2              522 lib/unistd.in.h _GL_CXXALIAS_RPL (dup2, int, (int oldfd, int newfd));
dup2              528 lib/unistd.in.h _GL_CXXALIAS_MDA (dup2, int, (int oldfd, int newfd));
dup2              530 lib/unistd.in.h _GL_CXXALIAS_SYS (dup2, int, (int oldfd, int newfd));
dup2              532 lib/unistd.in.h _GL_CXXALIASWARN (dup2);
dup2              536 lib/unistd.in.h _GL_WARN_ON_USE (dup2, "dup2 is unportable - "
dup2              548 lib/unistd.in.h _GL_CXXALIAS_MDA (dup2, int, (int oldfd, int newfd));
dup2              550 lib/unistd.in.h _GL_CXXALIAS_SYS (dup2, int, (int oldfd, int newfd));
dup2              552 lib/unistd.in.h _GL_CXXALIASWARN (dup2);
dup2             1281 src/android.c        if (dup2 (pipefd[1], 2) < 0)
dup2             1285 src/callproc.c   dup2 (in, STDIN_FILENO);
dup2             1286 src/callproc.c   dup2 (out, STDOUT_FILENO);
dup2             1287 src/callproc.c   dup2 (err, STDERR_FILENO);
dup2             3522 src/emacs.c          err |= dup2 (nfd, STDIN_FILENO) < 0;
dup2             3523 src/emacs.c          err |= dup2 (nfd, STDOUT_FILENO) < 0;
dup2             3524 src/emacs.c          err |= dup2 (nfd, STDERR_FILENO) < 0;
dup2             3787 src/msdos.c      dup2 (tempin, 0);
dup2             3788 src/msdos.c      dup2 (tempout, 1);
dup2             3789 src/msdos.c      dup2 (temperr, 2);
dup2             3833 src/msdos.c      dup2 (inbak, 0);
dup2             3834 src/msdos.c      dup2 (outbak, 1);
dup2             3835 src/msdos.c      dup2 (errbak, 2);
dup2              973 src/print.c      if (dup2 (fd, STDERR_FILENO) < 0)
dup2              232 src/sysdep.c     if (dup2 (fd, fd) < 0 && errno == EBADF)
dup2              235 src/sysdep.c         if (n < 0 || (fd != n && (dup2 (n, fd) < 0 || emacs_close (n) != 0)))