accepted socket or RTS_INVALID
_FPU_DIVIDEBYZERO UDINT 16#152 RTSEXCPT_FPU_INVALID
display context or RTS_INVALID
_IEC_HANDLE Handle or RTS_INVALID
Add ASYNCSTATE_INVALID UDINT
WhichLatchVar references to an invalid
code FSOEDIAG_INVALID [...] FSOEDIAG_INVALID