lib/master/streamlabeller.js
function logChild(child, slogan, write) {
	if (child) {
		logSocket(child.stdout, slogan, write)
		logSocket(child.stderr, slogan, write)
	}
}
function logChild(child, slogan, write) {
	if (child) {
		logSocket(child.stdout, slogan, write)
		logSocket(child.stderr, slogan, write)
	}
}
function logChild ( child , slogan , write ) { if ( child ) { logSocket ( child . stdout , slogan , write ) logSocket ( child . stderr , slogan , write ) } }
log joint output for a child process
log joint output for a child process