Function GrB_Matrix_import_INT8 

pub unsafe extern "C" fn GrB_Matrix_import_INT8(
    A: *mut GrB_Matrix,
    type_: GrB_Type,
    nrows: GrB_Index,
    ncols: GrB_Index,
    Ap: *const GrB_Index,
    Ai: *const GrB_Index,
    Ax: *const i8,
    Ap_len: GrB_Index,
    Ai_len: GrB_Index,
    Ax_len: GrB_Index,
    format: GrB_Format,
) -> GrB_Info