-#include <sys/types.h>
-#include <netinet/in.h>
-#include <arpa/nameser.h>
-#include <resolv.h>
-"u_".Fn res_query char\ *dname int\ class int\ type char\ *answer int\ anslen
-u_".Fn res_search char\ *dname int\ class int\ type char\ *answer int\ anslen
-.Fn res_mkquery int\ op char\ *dname int\ class int\ type char\ *data int\ datalen struct\ rrec\ *newrr char\ *buf int\ buflen
-.Ft buflen
-.Fn res_send char\ *msg int\ msglen char\ *answer int\ anslen
+.Fd #include <sys/types.h>
+.Fd #include <netinet/in.h>
+.Fd #include <arpa/nameser.h>
+.Fd #include <resolv.h>
+.Fo res_query
+.Fa "char *dname"
+.Fa "int class"
+.Fa "int type"
+.Fa "u_char *answer"
+.Fa "int anslen"
+.Fc
+.Fo res_search
+.Fa "char *dname"
+.Fa "int class"
+.Fa "int type"
+.Fa "u_char *answer"
+.Fa "int anslen"
+.Fc
+.Fo res_mkquery
+.Fa "int op"
+.Fa "char *dname"
+.Fa "int class"
+.Fa "int type"
+.Fa "char *data"
+.Fa "int datalen"
+.Fa "struct rrec *newrr"
+.Fa "char *buf"
+.Fa "int buflen"
+.Fc
+.Fo res_send
+.Fa "char *msg"
+.Fa "int msglen"
+.Fa "char *answer"
+.Fa "int anslen"
+.Fc