Function mbedtls_sys::ecp_point_write_binary

pub unsafe extern "C" fn ecp_point_write_binary(
    grp: *const ecp_group, 
    P: *const ecp_point, 
    format: c_int, 
    olen: *mut size_t, 
    buf: *mut c_uchar, 
    buflen: size_t
) -> c_int