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(opensolaris section 3curses)
man page for menu_driver

menu_driver(3CURSES)					     Curses Library Functions					      menu_driver(3CURSES)

menu_driver - command processor for the menus subsystem SYNOPSIS
cc [ flag... ] file... -lmenu -lcurses [ library... ] #include <menu.h> int menu_driver(MENU *menu, int c); DESCRIPTION
menu_driver() is the workhorse of the menus subsystem. It checks to determine whether the character c is a menu request or data. If c is a request, the menu driver executes the request and reports the result. If c is data (a printable ASCII character), it enters the data into the pattern buffer and tries to find a matching item. If no match is found, the menu driver deletes the character from the pattern buffer and returns E_NO_MATCH. If the character is not recognized, the menu driver assumes it is an application-defined command and returns E_UNKNOWN_COMMAND. Menu driver requests: REQ_LEFT_ITEM Move left to an item. REQ_RIGHT_ITEM Move right to an item REQ_UP_ITEM Move up to an item. REQ_DOWN_ITEM Move down to an item. REQ_SCR_ULINE Scroll up a line. REQ_SCR_DLINE Scroll down a line. REQ_SCR_DPAGE Scroll up a page. REQ_SCR_UPAGE Scroll down a page. REQ_FIRST_ITEM Move to the first item. REQ_LAST_ITEM Move to the last item. REQ_NEXT_ITEM Move to the next item. REQ_PREV_ITEM Move to the previous item. REQ_TOGGLE_ITEM Select/de-select an item. REQ_CLEAR_PATTERN Clear the menu pattern buffer. REQ_BACK_PATTERN Delete the previous character from pattern buffer. REQ_NEXT_MATCH Move the next matching item. REQ_PREV_MATCH Move to the previous matching item. RETURN VALUES
menu_driver() returns one of the following: E_OK The routine returned successfully. E_SYSTEM_ERROR System error. E_BAD_ARGUMENT An incorrect argument was passed to the routine. E_BAD_STATE The routine was called from an initialization or termination function. E_NOT_POSTED The menu has not been posted. E_UNKNOWN_COMMAND An unknown request was passed to the menu driver. E_NO_MATCH The character failed to match. E_NOT_SELECTABLE The item cannot be selected. E_REQUEST_DENIED The menu driver could not process the request. ATTRIBUTES
See attributes(5) for descriptions of the following attributes: +-----------------------------+-----------------------------+ | ATTRIBUTE TYPE | ATTRIBUTE VALUE | +-----------------------------+-----------------------------+ |MT-Level |Unsafe | +-----------------------------+-----------------------------+ SEE ALSO
curses(3CURSES), menus(3CURSES), attributes(5) NOTES
Application-defined commands should be defined relative to (greater than) MAX_COMMAND, the maximum value of a request listed above. The header <menu.h> automatically includes the headers <eti.h> and <curses.h>. SunOS 5.11 31 Dec 1996 menu_driver(3CURSES)

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