dup2              784 lib/utilunix.c         if (dup2 (old_error, STDERR_FILENO) == -1)
dup2              562 src/background.c             while (dup2 (nullfd, STDIN_FILENO) == -1 && errno == EINTR)
dup2              564 src/background.c             while (dup2 (nullfd, STDOUT_FILENO) == -1 && errno == EINTR)
dup2              566 src/background.c             while (dup2 (nullfd, STDERR_FILENO) == -1 && errno == EINTR)
dup2              194 src/cons.handler.c                 if (dup2 (pipefd1[0], STDIN_FILENO) == -1)
dup2              198 src/cons.handler.c                 if (dup2 (pipefd2[1], STDOUT_FILENO) == -1)
dup2              204 src/cons.handler.c                 if (dup2 (status, STDERR_FILENO) == -1)
dup2              354 src/subshell/common.c     dup2 (subshell_pty_slave, STDIN_FILENO);
dup2              355 src/subshell/common.c     dup2 (subshell_pty_slave, STDOUT_FILENO);
dup2              356 src/subshell/common.c     dup2 (subshell_pty_slave, STDERR_FILENO);
dup2              433 src/vfs/fish/fish.c         res = dup2 (fileset1[0], STDIN_FILENO);
dup2              436 src/vfs/fish/fish.c         res = dup2 (fileset2[1], STDOUT_FILENO);
dup2             2790 src/vfs/smbfs/helpers/libsmb/clientgen.c             if (dup2 (cli->fd, oldfd) == oldfd)