237 null_netmatch(a1, a2)  in null_netmatch()  argument
238 	struct sockaddr *a1, *a2;  in null_netmatch()
245 null_output(s, f, a1, n)  in null_output()  argument
248 	struct sockaddr *a1;
256 null_portmatch(a1)  in null_portmatch()  argument
257 	struct sockaddr *a1;  in null_portmatch()
264 null_portcheck(a1)  in null_portcheck()  argument
265 	struct sockaddr *a1;  in null_portcheck()
272 null_ishost(a1)  in null_ishost()  argument
273 	struct sockaddr *a1;  in null_ishost()
280 null_checkhost(a1)  in null_checkhost()  argument
281 	struct sockaddr *a1;  in null_checkhost()
288 null_canon(a1)  in null_canon()  argument
289 	struct sockaddr *a1;  in null_canon()