#define md_parse_name(name, exp, mode, c) \
((*ppc_parse_name) (name, exp, mode), true)
-extern void (*ppc_parse_name) (const char *, struct expressionS *, enum expr_mode);
+extern void (*ppc_parse_name) (const char *name, expressionS *exp, enum expr_mode mode);
#define md_optimize_expr(left, op, right) ppc_optimize_expr (left, op, right)
extern int ppc_optimize_expr (expressionS *, operatorT, expressionS *);