Every menu has a pattern buffer to match entered data with menu items. set_menu_pattern() sets the pattern buffer to pat and tries to find the first item that matches the pattern. If it does, the matching item becomes the current item. If not, the current
item does not change. menu_pattern() returns the string in the pattern buffer of menu.
Return Values
menu_pattern() returns NULL on error. set_menu_pattern() 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_NO_MATCH
The character failed to match.
Attributes
See attributes(5) for descriptions of the following attributes: