Resets the read-only bio to start and discards all data from writable bio
"""
libcrypto.BIO_ctrl(self.bio,1,0,None)
+
+__all__ = ['Membio']
libcrypto.BIO_s_mem.restype=c_void_p
libcrypto.BIO_new.restype=c_void_p
libcrypto.BIO_new.argtypes=(c_void_p,)