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