expr_to_sym
returned_sym = expr_to_sym(expr);
struct symbol *expr_to_sym(struct expression *expr);
sym = expr_to_sym(expr);
sym = expr_to_sym(expr);
ret_sym = expr_to_sym(expr);
sym = expr_to_sym(expr);
container_sym = expr_to_sym(container);
if (!expr_to_sym(right->right))
fn_sym = expr_to_sym(fn);
arg_sym = expr_to_sym(arg);
fn_sym = expr_to_sym(fn);
arg_sym = expr_to_sym(arg);
ret_sym = expr_to_sym(expr);
sym = expr_to_sym(expr->deref);
sym = expr_to_sym(arg);
left_sym = expr_to_sym(left);
right_sym = expr_to_sym(right);
sym = expr_to_sym(expr);
returned_sym = expr_to_sym(expr);
right_sym = expr_to_sym(expr->right);
start_sym = expr_to_sym(expr->fn);
left_sym = expr_to_sym(call->fn);