func io.CopyN

9 uses

	io (current package)
		io.go#L363: func CopyN(dst Writer, src Reader, n int64) (written int64, err error) {

	github.com/klauspost/compress/zstd
		bytebuf.go#L126: 	n2, err := io.CopyN(io.Discard, r.r, n)

	mime/multipart
		formdata.go#L144: 			n, err := io.CopyN(&b, p, maxMemoryBytes+1)
		formdata.go#L171: 		n, err := io.CopyN(&b, p, maxFileMemoryBytes+1)

	net/http
		client.go#L715: 				io.CopyN(io.Discard, resp.Body, maxBodySlurpSize)
		fs.go#L386: 				if _, err := io.CopyN(part, content, ra.length); err != nil {
		fs.go#L429: 		io.CopyN(w, sendContent, sendSize)
		server.go#L1418: 			_, err := io.CopyN(io.Discard, w.reqBody, maxPostHandlerReadBytes+1)
		transfer.go#L995: 			n, err = io.CopyN(io.Discard, bodyLocked{b}, maxPostHandlerReadBytes)