Fork channel

Create a new channel as a copy of main.

Rename channel

Rename main to:

Delete channel

Delete main? This cannot be undone.

2007-04-14-FNoBuiltin.cpp
// RUN: %clang_cc1 -emit-llvm %s -fno-builtin -o - | FileCheck %s
// Check that -fno-builtin is honored.

extern "C" int printf(const char*, ...);
void foo(const char *msg) {
  // CHECK: call{{.*}}printf
	printf("%s\n",msg);
}