6 char externs and the ANSI standard
Chris Torek
chris at umcp-cs.UUCP
Sat Oct 13 16:09:13 AEST 1984
* From: chuqui at nsc.UUCP (Zonker T. Chuqui)
But look at reality for a second. there are many, many, MANY
systems out there with this (or similar) restrictions [short
external names] inbred into the system software. Manufacturers
who would want to implement a standard C compiler would have to
change ALL of their software to meet that standard. For example,
the DEC people would not only have to change/'fix' vax-11C, but
cobol, pascal, fortran, bliss, logo, smalltalk, euclid, macro,
and the kitchen sink.
Wait a minute. First of all, doesn't VMS support 31-character names?
But more important, no one would have to change ALL their software to
meet a new standard. They have lots of options: don't support it (or
the "full" version); write a new linker that can be used with (probably
only with) the C compiler; come up with funny hash/name-translation
schemes, etc.
(By the way, speaking of ``break zoop'' vs ``goto out'' -- when you get
right down to it, it amounts to the same thing, so the ``structuredness''
should be the same, given a reasonable definition (like flowgraph
reducibility). The ONLY REALLY important thing is how it affects you
humans :-).)
--
(This mind accidently left blank.)
In-Real-Life: Chris Torek, Univ of MD Comp Sci (301) 454-7690
UUCP: {seismo,allegra,brl-bmd}!umcp-cs!chris
CSNet: chris at umcp-cs ARPA: chris at maryland
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