I'd love to learn more about what `CALL "socket"` is doing. CALL is for running subprograms, but it's not clear to me where "socket" is? I've thought about a C

I'd love to learn more about what `CALL "socket"` is doing. CALL is for running subprograms, but it's not clear to me where "socket" is? I've thought about a COBOL webserver before, but didn't get beyond reading the GnuCOBOL FAQ that mentions it's possible with CGI https://gnucobol.sourceforge.io/faq/gcfaq.html#id1126 https://gnucobol.sourceforge.io/faq/gcfaq.html#id1126 I'm definitely going to dig into this project more later. This is very neat!