Function SCIPcreateRowprep 

pub unsafe extern "C" fn SCIPcreateRowprep(
    scip: *mut SCIP,
    rowprep: *mut *mut SCIP_ROWPREP,
    sidetype: SCIP_SIDETYPE,
    local: c_uint,
) -> SCIP_RETCODE

creates a SCIP_ROWPREP datastructure

Initial row represents 0 ≤ 0.