Fork channel

Create a new channel as a copy of main.

Rename channel

Rename main to:

Delete channel

Delete main? This cannot be undone.

iframework.c
// RUN: %clang -fsyntax-only -iframework %S/Inputs %s -Xclang -verify
// RUN: %clang -fsyntax-only -isysroot %S -iframeworkwithsysroot /Inputs %s -Xclang -verify
// expected-no-diagnostics

#include <TestFramework/TestFramework.h>