(cond-expand
  (emscripten
    (c-system-include "emscripten.h")

    (define-c void (eval-script! "emscripten_run_script") (string))
    (define-c int (integer-eval-script "emscripten_run_script_int") (string))
    (define-c string (string-eval-script "emscripten_run_script_string") (string))))