Fork channel

Create a new channel as a copy of main.

Rename channel

Rename main to:

Delete channel

Delete main? This cannot be undone.

msvc_forward.c
// RUN: %clang -target i686-pc-win32 -loldnames -lkernel32.lib -luser32.lib -### %s 2>&1 | FileCheck %s
// CHECK-NOT: "-loldnames.lib"
// CHECK-NOT: "-lkernel32.lib"
// CHECK-NOT: "-luser32.lib"
// CHECK: "oldnames.lib"
// CHECK: "kernel32.lib"
// CHECK: "user32.lib"