MAX_IOVEC 40 test/datatype/large_data.c struct iovec iov[MAX_IOVEC]; MAX_IOVEC 41 test/datatype/large_data.c uint32_t iov_count = MAX_IOVEC, i; MAX_IOVEC 64 test/datatype/large_data.c iov_count = MAX_IOVEC; /* number of available iov */