pub unsafe extern "C" fn jerasure_matrix_decode(
k: c_int,
m: c_int,
w: c_int,
matrix: *mut c_int,
row_k_ones: c_int,
erasures: *mut c_int,
data_ptrs: *mut *mut c_char,
coding_ptrs: *mut *mut c_char,
size: c_int,
) -> c_int