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From: =?UTF-8?Q?Arne_Vajh=C3=B8j?= <arne@vajhoej.dk>
Newsgroups: comp.os.vms
Subject: Re: C Error Number to Symbol
Date: Wed, 19 Mar 2025 22:11:53 -0400
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On 3/19/2025 9:54 PM, Michael Brown wrote:
> On 20/3/25 09:44, Arne Vajhøj wrote:
>>> This is exactly what I intended with the original post, so this pas 
>>> source is very interesting to me.
>>
>> It is just two lib$sys_getmsg calls with flags to get
>> facility and identity and then it is cross fingers and
>> hope the symbolic name follow convention of facility$_identity.
> 
> Yes I see, I would have never known about the effect of the flag field 
> and would have plowed ahead and broken down the default message with 
> strtok to get what I wanted. This is far more efficient. It will 
> certainly work for all the RMS return codes so that's mainly what I need.

Note that all this is to get the name as a string at runtime
to get the name at development time one can just do:

$ libr/text/extr=rmsdef/out=rmsdef.h sys$library:sys$starlet_c
$ sear rmsdef.h 98962
#define RMS$_FNF 98962

Arne