def _bio_to_string(bio):
    result_buffer = _ffi.new('char**')
    buffer_length = _lib.BIO_get_mem_data(bio, result_buffer)
    return _ffi.buffer(result_buffer[0], buffer_length)[:]
Form the block matrices for composing M, A, and B.
dataset/ETHPy150Open cloudera/hue/desktop/core/ext-py/pyopenssl/OpenSSL/crypto.py/_bio_to_string--crossover with--dataset/ETHPy150Open sympy/sympy/sympy/physics/mechanics/linearize.py/Linearizer._form_block_matrices