TODO 157

> Add #157: Add a directive to control the currently hardcoded receive-buffer
> size

Doesn't setting the receive buffer requires a setsockopt call with
either SO_SNDBUF or SO_RCVBUF?  I don't see it.
Or do you mean the
  char buf[BUFFER_SIZE];
in jcc.c:handle_established_connection changes ?  If that's it,

- what do you hope to gain making it a user-controlled size

- how do you feel about using a GNU extension .. at least initially,
to see if the change is worth the effort?
https://www.gnu.org/software/gnu-c-manual/gnu-c-manual.html#Declaring-Arrays
  Another GNU extension allows you to declare an array size using
variables, rather than only constants.

Lee

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