Port to C99/ up to C17: declare all implicit ints explicitly
https://bugs.gentoo.org/878615
--- a/gssftp/ftp/cmds.c
+++ b/gssftp/ftp/cmds.c
@@ -312,8 +312,7 @@
 /*
  * Set control channel protection level.
  */
-void setclevel(argc, argv)
-	char *argv[];
+void setclevel(int argc, char *argv[])
 {
 	register struct levels *p;
 	int comret;
@@ -365,8 +364,7 @@
  * Set data channel protection level.
  */
 void
-setdlevel(argc, argv)
-	char *argv[];
+setdlevel(int argc, char *argv[])
 {
 	register struct levels *p;
 	int comret;
@@ -845,10 +843,7 @@
 /*
  * Receive one file.
  */
-static int getit(argc, argv, restartit, rmode)
-	int argc;
-	char *argv[];
-	char *rmode;
+static int getit(int argc, char *argv[], int restartit, char *rmode)
 {
 	int loc = 0;
 	char *oldargv1, *oldargv2;
@@ -1164,8 +1159,7 @@
  * Show status.
  */
 /*ARGSUSED*/
-void status(argc, argv)
-	char *argv[];
+void status(int argc, char *argv[])
 {
 	int i;
 
--- a/telnet/telnet/commands.c
+++ b/telnet/telnet/commands.c
@@ -1890,8 +1890,7 @@
 }
 
 	unsigned char *
-env_default(init, welldefined)
-	int init;
+env_default(int init, int welldefined)
 {
 	static struct env_lst *nep = NULL;
 
--- a/telnet/telnet/sys_bsd.c
+++ b/telnet/telnet/sys_bsd.c
@@ -976,8 +976,8 @@
  */
 
     int
-process_rings(netin, netout, netex, ttyin, ttyout, poll)
-    int poll;		/* If 0, then block until something to do */
+process_rings(int netin, int netout, int netex, int ttyin,
+	int ttyout, int poll)		/* If 0, then block until something to do */
 {
     register int c;
 		/* One wants to be a bit careful about setting returnValue