vsize from within C++ (UNCLASSIFIED)

["Glasgow, Steven Mr CIV USA TRADOC" <Steven.Glasgow@xxxxxxxxxxx>]

Classification: UNCLASSIFIED
Caveats: NONE

Is it possible for a process to obtain information about itself (such as
that provided by "top"), specifically vsize?

Thanks in advance,
Steve
Classification: UNCLASSIFIED
Caveats: NONE