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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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