[Info-vax] C Examples of Calling SMG$ Routines?

[Craig A. Berry]

On 6/27/21 12:13 PM, Zane H. Healy wrote:
> In looking at the "OpenVMS RTL Screen Management (SMG$) Manual" on the VSI
> website, they give examples of every language supported, except C/C++.  The
> manual itself says it's new as of 2019, but also says it's for HP OpenVMS
> VAX/Alpha 7.3.  :-)  Looking at my copy of the manual for v6, all they did
> was remove the code for "RPG II".
> 
> Does anyone happen to have some basic examples of using the SMG$ Routines in
> C?  As it happens, the example does just what I need, since it shows how to
> use SMG$READ_KEYSTROKE.

I have a readpassphrase() implementation based on SMG$READ_COMPOSED_LINE:

https://github.com/FreeTDS/freetds/blob/master/vms/getpass.c

There is a Perl extension (necessarily implemented in C) that provides
SMG interfaces:

<https://metacpan.org/pod/smg>

This one doesn't look familiar to me.  I think there was a different one
circulating at some point but I can't find it now.