static Set<S> findFunctionDefs_keywords = new HashSet(splitAtSpace("static svoid ssvoid ssynchronized sbool sS sO sL"));

static L<S> findFunctionDefs(L<S> tok) {
  int n = l(tok);
  new L<S> functions;
  for (int i = 1; i < n; i += 2)
    if (findFunctionDefs_keywords.contains(tok.get(i)))
      findFunctionDefs_step(tok, i, functions);
  ret functions;
}

svoid findFunctionDefs_step(LS tok, int i, LS functions) {
  int j = i+2;
  while (j < n && !findFunctionsDefs_checkToken(tok.get(j)))
    j += 2;
  if (isIdentifier(tok.get(j-2)) &&
    eqGet(tok, j, "(") || eqGet(tok, j, "{") && eq(t, "svoid"))
    functions.add(tok.get(j-2));
}

sbool findFunctionsDefs_checkToken(S t) {
  if (t.length() != 1) false;
  char c = t.charAt(0);
  ret c == ';' || c == '=' || c == '(' || c == '{' || c == '#';
}