Message <Context> "<name>" is not a member of "<struct or union expression>". Description The second operand of a . or -> operator specifies a member name that is not a member of the struct or union type specified by the first operand. Note that in certain modes, HP C will search all other visible struct/union types for a matching member name. If it finds one, a diagnostic will be issued, and the offset of that name will be used. User Action Specify a valid member name.