- be more strict and humble when allocating memory from the stack
-- in textfield_width(), handle too large lines somehow
-
-- use select() polling where possible for server-client communication
-
-- may err_line store the processed line internally as it does the line count
-
SERVER:
- implement field of view / line of sight and obstacles for those on the map
- enable toggling of window borders
- make log scrollable
-
-- implement server-config-file-like parsing for client-config-files, too