the big code_80091750.c rename (#684)

* some rename

* type menu

* continue rename and place const

* Renames and doc

* more

* buffer vars

* clang format

* continue rename

* some rename and get it compile (but don't match for obscure reason)

* get it match again and fix some warning

* fix all warning

* Match 6 functions

* continue rename

* load img renames and first step or label menu items

* MenuItem struct names and some rename

* rename around

* rename code_80091750 to menu_item

* clean up a little

* Update menu_item.h

* document waypoint and more

* Revert "document waypoint and more"

This reverts commit 5e6eb4f.

* apply review

* Update menu_item.c

* fix some review

* rename func_8009E620 to clear_menus

* do a rename

* apply review

* finish rename normally

* more small rename

* few fix of name

* few more fix

* minor fix

* Update menus.c

* last rename normally

* Update render_menus.s

* Update menu_items.c

* Renames seg2 textures.c

* MENU_ITEMtype --> MENU_ITEM_TYPE

* remove a useless parameter

* func_80099110 --> clear_menu_textures

---------

Co-authored-by: MegaMech <[email protected]>
Co-authored-by: AloXado320 <[email protected]>

Makefile

@@ -244,7 +244,7 @@ include $(MAKEFILE_SPLIT)
 # These are files that need to be encoded into EUC-JP in order for the ROM to match
 # We filter them out from the regular C_FILES since we don't need nor want the
 # UTF-8 versions getting compiled
-EUC_JP_FILES := src/ending/credits.c src/code_80005FD0.c src/code_80091750.c
+EUC_JP_FILES := src/ending/credits.c src/code_80005FD0.c src/menu_items.c
 C_FILES := $(filter-out %.inc.c,$(filter-out $(EUC_JP_FILES),$(foreach dir,$(SRC_DIRS),$(wildcard $(dir)/*.c))))
 S_FILES := $(foreach dir,$(ASM_DIRS),$(wildcard $(dir)/*.s))
 # Include source files in courses/course_name/files.c but exclude .inc.c files.