notes on ncurses internal structure

NOTES/ncurses.md

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+
+What is the "tries-tree"? (ie `ncurses/tinfo/add_tries.c`) 
+
+### Directory Structure
+
+#### ncurses/tinfo/*
+**`access.c`** -> functions for working with file/paths (ie basename, or opening and reading files)
+**`add_tres.c`** -> single function (add keycode/string to "tries-tree")
+
+**`lib_kernel.c`**   -> pseudo-"termios wrapper"
+**`lib_baudrate.c`** -> extension of `lib_kernel.c` for baudrate