SYNOPSIS
int structp(mixed arg)
DESCRIPTION
Return 1 if arg is a struct.
HISTORY
Introducted in LDMud 3.3.273.
SEE ALSO
baseof(E), closurep(E), floatp(E), mappingp(E), objectp(E),
intp(E), referencep(E), pointerp(E), stringp(E), symbolp(E),
clonep(E)