_off               23 ompi/mca/osc/ucx/osc_ucx_component.c #define memcpy_off(_dst, _src, _len, _off)        \
_off               24 ompi/mca/osc/ucx/osc_ucx_component.c     memcpy(((char*)(_dst)) + (_off), _src, _len); \
_off               25 ompi/mca/osc/ucx/osc_ucx_component.c     (_off) += (_len);