Function CeedElemRestrictionCreateAtPoints 

pub unsafe extern "C" fn CeedElemRestrictionCreateAtPoints(
    ceed: Ceed,
    num_elem: CeedInt,
    num_points: CeedInt,
    num_comp: CeedInt,
    l_size: CeedSize,
    mem_type: CeedMemType,
    copy_mode: CeedCopyMode,
    offsets: *const CeedInt,
    rstr: *mut CeedElemRestriction,
) -> c_int