.. efun:: int symbolp(mixed value)

  Returns 1 if :arg:`value` is a symbol.

  .. usage::

    ``symbolp('foo) // returns 1.``

  :history 3.2@70 introduced:

  .. seealso:: :efun:`quote`, :efun:`clonep`, :efun:`closurep`, :efun:`floatp`, :efun:`mappingp`, :efun:`objectp`, :efun:`intp`, :efun:`referencep`, :efun:`pointerp`, :efun:`stringp`, :efun:`structp`