nullp(3) LPC Library Functions nullp(3) NNAAMMEE nullp() - determine whether or not a given variable is null. SSYYNNOOPPSSIISS int nullp( mixed arg ); DDEESSCCRRIIPPTTIIOONN Return 1 if `arg' is null. 'arg' will be null in the fol- lowing cases: 1. it has not yet been initialized. 2. it points to a destructed object. 3. it is a function (formal) parameter that corre- sponds to a missing actual argument. SSEEEE AALLSSOO mapp(3), stringp(3), pointerp(3), objectp(3), intp(3), bufferp(3), floatp(3), functionp(3), undefinedp(3), errorp(3) MudOS 5 Sep 1994 1