Redirect output file descriptor 3 (not just 1 and 2)

David Terlinden davidt at ttidca.UUCP
Thu Nov 22 00:38:32 AEST 1984

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Use Bourne shell, not C shell.  Just something like
prog 3>/dev/tty to shell and write(3, "hello!!!", 8); in C program
works fine.

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