err = ErrChecksum
			}
		} else {
			// If there's not a data descriptor, we still compare
			// the CRC32 of what we've read against the file header
			// or TOC's CRC32, if it seems like it was set.
			if r.f.CRC32 != 0 && r.hash.Sum32() != r.f.CRC32 {
				err = ErrChecksum
			}
		}
	}
	r.err = err
	return
}

func (r *checksumReader) Close() error { return r.rc.Close() }

			result = true
		}

		// Add the second result type, if any.
		if twoResults {
			if name.FuncType.Result == nil {
				// An explicit void result looks odd but it
				// seems to be how cgo has worked historically.
				sb.WriteString("_Ctype_void")
			}
			sb.WriteString(", error)")
		}
	}

	sb.WriteString("{ ")

	// Define _cgoN for each argument value.