[Info-vax] Looking into C-include files on VMS

[Joerg Schilling]

In article <op.u24yw8madc3j58 at notemv-tap.mv.privat>,
Martin Vorlaender <mv at pdv-systeme.de> wrote:

>> With a real vfork() you may use vfork() in all these cases as long as
>> you do not use stdio in the child and as long as you call _exit()
>> instead of exit() in the child in case if a problem. On VMS, you would
>> need to dup2() descriptors 0/1/2 to other numbers before redirecting
>> 0/1/2 for the new process _and_ you would need to restore 0/1/2 in the
>> parent. The latter makes it hard to suport I/O redirection in typical
>> software.
>
>That's what the HP C RTL has decc$set_child_standard_streams() for, see
>http://h71000.www7.hp.com/doc/83final/5763/5763pro_029.html#decc_set_child_routine

Thank you, this helps for most left over cases. Is there a documented
method to find documentation for unknown interfaces with specific features
whithout asking people?

On UNIX I can use "man -k keyword" or check the "SEE ALSO" parts of the
documentation from similar interfaces.

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