llvm-project/clang/test/Modules/Inputs/libc-libcxx/sysroot/usr/include/module.modulemap

module libc [no_undeclared_includes] {
  module math { header "math.h" export * }
  module stdlib { header "stdlib.h" export * }
  module stddef { header "stddef.h" export * }
  module stdint { header "stdint.h" export * }
  module stdio { header "stdio.h" export * }
  module util { header "util.h" export * }
}