'$' in identifiers -- poll results
Bob Lewis
bobl at aeolus.UUCP
Mon Feb 11 04:49:52 AEST 1985
Here are the results of the poll I conducted back in December of '84 on how
various implementations of C treat the '$' occurring in identifiers. I'd
like to thank everyone who sent in responses. Sorry it's taken me so long
to assemble them.
Certainly, these results represent only a small number of C implementations.
Nevertheless, they do serve the purpose of demonstrating the NON-portability
of '$'s. I apologize for any bad guesses I've made about hardware or OS in
the following. I should have been more explicit in my original request.
Supplier Hardware OS Accepts '$'?
-------- -------- --------- ------------
AT&T VAX/PDP-11? (pcc) System III no
AT&T IBM 370 (pcc) MVS & VM/CMS no
AT&T PDP-11 (pcc) Version 7 no
Aztec lots CPM-80 no
BDS lots CPM-80 no
DEC VAX VMS yes
DeSmet IBM-PC PC-DOS/MS-DOS(?) no
Georgia Tech Prime ? PRIMOS (?) yes
Mark Williams IBM-PC, etc.(?) PC-DOS/MS-DOS(?) yes, but strips
Plexus Plexus P/60 System III no
Prime Prime ? PRIMOS (?) yes
Sun Sun 4.2bsd yes
Tektronix Tek 6100/6200 UTek yes
UCB VAX (cc) 4.1bsd & 4.2bsd yes
UCB VAX/PDP-11 (?) (pcc) 4.2bsd (?) yes
Thanks again to all those who responded.
- Bob Lewis
...!tektronix!teklds!bobl
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