Function mbedtls_sys::pem_write_buffer

pub unsafe extern "C" fn pem_write_buffer(
    header: *const c_char, 
    footer: *const c_char, 
    der_data: *const c_uchar, 
    der_len: size_t, 
    buf: *mut c_uchar, 
    buf_len: size_t, 
    olen: *mut size_t
) -> c_int