.\"determine whether or not a given variable is a mapping .DT mapp Discworld driver help mapp Name .SI 5 mapp() - determine whether or not a given variable is a mapping .EI Synopsis .SI 5 int mapp(mixed arg); .EI Description .SP 5 5 Return 1 if `arg' is a mapping. .EP See also .SI 5 stringp(3), pointerp(3), objectp(3), intp(3). .EI