Function hyper::ffi::hyper_error_print

#[no_mangle]
pub extern "C" fn hyper_error_print(
    err: *const hyper_error, 
    dst: *mut u8, 
    dst_len: size_t
) -> size_t

Print the details of this error to a buffer.

The dst_len value must be the maximum length that the buffer can store.

The return value is number of bytes that were written to dst.