extern uint32_t get_u32(char *arg, const char *errmsg);
extern uint16_t get_u16(char *arg, const char *errmsg);
-extern const char *rt_addr_n2a(int af, void *addr, char *buf, int buflen);
+extern const char *rt_addr_n2a(int af, void *addr);
#ifdef RESOLVE_HOSTNAMES
-extern const char *format_host(int af, int len, void *addr, char *buf, int buflen);
+extern const char *format_host(int af, int len, void *addr);
#else
-#define format_host(af, len, addr, buf, buflen) \
- rt_addr_n2a(af, addr, buf, buflen)
+#define format_host(af, len, addr) \
+ rt_addr_n2a(af, addr)
#endif
void invarg_1_to_2(const char *, const char *) NORETURN;