func math/rand.read

3 uses

	math/rand (current package)
		rand.go#L264: 	return read(p, r.src, &r.readVal, &r.readPos)
		rand.go#L267: func read(p []byte, src Source, readVal *int64, readPos *int8) (n int, err error) {
		rand.go#L418: 	n, err = read(p, r.src, readVal, readPos)