UDI_GCB(3udi)
Convert any control block to generic udi_cb_t
#include <udi.h>#define UDI_GCB(mcb) (&(mcb)->gcb)ARGUMENTS mcb is a pointer to the control block reference to be converted.
DESCRIPTION This macro is used to convert any UDI control block pointer into its generic control block representation (udi_cb_t *) suitable for use with a UDI service request. The original control block is not copied or re-allocated.
This macro is provided for convenience only. Its use is highly recommended but not required.