semantic-read-variable
semantic-read-variable is a compiled Lisp function in `util.el
'.
(semantic-read-variable PROMPT &optional DEFAULT STREAM)
Read a variable name from the user for the current buffer.
PROMPT is the prompt to use.
Optional arguments:
DEFAULT is the default choice. If no default is given, one is read
from under point.
STREAM is the list of tokens to complete from.