vim - src/structs.h

structs.h defines some structs that are used in vim such as window_S (win_T) that contains all information that belongs to a window.

buf_T stores information about one file.

buffblock_T is used to store one block of the suff/redo/recording buffers.

buffheader_T is used for the stuff buffer and the redo buffer.

cmdarg_T bundles arguments for normal mode commands.

dictitem_S / dictitem_T is able to store an dictionary item (such as a variables).

foldinfo_T used to pass info about a fold from the fold-detection code to the code that displays the foldcolumn.

garray_T is used for growing arrays.

sctx_T stores a script context (basically a line number in a script).

tasave_T holds the saved typeahead for save_typeahead().

typebuf_T the type-ahead buffer.

match_T is used for highlighting

mparm_T is a struct to pass parameters between main() and other functions.

An interesting member is use_vimrc which contains the vimrc file from the -u command line option.

oparg_T bundles arguments for operators.

wininfo_T stores information that pertains to a Window stored with a buffer.

winopt_T stores options that are local to a window.