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1.1 ! root 1: Thu Nov 16 20:07:42 PST 1978 ! 2: ! 3: This represents an otherwise invisble extension to the standard i/o ! 4: library to allow streams to be open with concurrent read/write ! 5: capabilities. To incorporate the changes, recompile all C routines ! 6: in the library with the new header. ! 7: ! 8: Ammended manual pages are included. ! 9: ! 10: Keith Sklower ! 11: ! 12: [Note by Bill Joy: This is a modification of an (old) pdp-11 version ! 13: of the standard i/o library, but should go easily into the new stuff. ! 14: It has been used in a Modula Compiler for the PDP/11 version of UNIX.] ! 15: ! 16: Fri Feb 23 10:15:27 PST 1979 ! 17: ! 18: It should be noted that the structure _iobuf should be exactly like that ! 19: of the old structure, except for the addition of _delta, at the end. This ! 20: is because _doprint is usually coded in assembly language and need not be ! 21: changed if the field _delta (which it does not need to reference) is kept ! 22: at the end. The structures vary from version 6 to VAX unix. ! 23: ! 24: Keith Sklower.
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