Fork channel

Create a new channel as a copy of main.

Rename channel

Rename main to:

Delete channel

Delete main? This cannot be undone.

format-strings-0x-nopedantic.cpp
// RUN: %clang_cc1 -fsyntax-only -verify -Wformat -std=c++11 %s
// expected-no-diagnostics
extern "C" {
extern int scanf(const char *restrict, ...);
extern int printf(const char *restrict, ...);
}

void f(char *c) {
  printf("%p", c);
}