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Annotation of 3BSD/cmd/csh/READ_ME, revision 1.1

1.1     ! root        1: Thu Apr 19 12:17:29 PST 1979
        !             2: 
        !             3: This shell needs a printf which prints through putchar like it used to.
        !             4: The printf.c in this dir hacks one from the stdio printf without dragging
        !             5: in all the stdio stuff.  It should work on most systems which only have stdio.
        !             6: Some early versions of stdio have a "strout" whose first 2 arguments are
        !             7: reversed.  Check this before you run the shell.
        !             8: 
        !             9: The getpw*.c stuff here is simply to keep from dragging in all the data space
        !            10: from the stdio stuff (an input buffer, output buffer, file structs, etc)
        !            11: since the shell does its own i/o anyways because of the way
        !            12: it parses in loops.  If you don't care about more data space you dont need
        !            13: to take these.
        !            14: 
        !            15: For the debugging "alloc" command to work it needs to work its
        !            16: way through the alloc list.  A modified version of alloc which does this
        !            17: is in this directory.  If you wish you can simply get rid of the "alloc"
        !            18: command and not define "debug" in makefile.
        !            19: 
        !            20: For the shell to coexist with another shell you can define OTHERSH
        !            21: in sh.local.h as, e.g. "/bin/sh".  If a file which purports to be a shell
        !            22: script doesn't start with a `#' this other shell interprets it.
        !            23: If necessary a longer string than just `#' could easily be used.
        !            24: If OTHERSH is not defined then this hack doesn't occur.
        !            25: For full sanity complementary code should be placed in OTHERSH!
        !            26: 
        !            27: Look at sh.local.h for other things which you may need/want to change.

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