// Extern data globals via `<name> : <type> #foreign;`. Lets sx code
// reference libSystem / framework symbols (NSConcreteStackBlock,
// __stdinp, etc.) for FFI bridges. Mirrors the long-standing
// `<fn> :: (...) -> ... #foreign;` form on the function side.

#import "modules/std.sx";

__stdinp : *void #foreign;

main :: () -> s32 {
  addr_bits : u64 = xx @__stdinp;
  print("stdin extern global non-null: {}\n", addr_bits != 0);
  0;
}