plipconfig man page and usage output fixes

man/en_US/plipconfig.8

@@ -2,9 +2,17 @@
 .SH NAME
 plipconfig \- fine tune PLIP device parameters 
 .SH SYNOPSIS
-.B "plipconfig interface"
+.B plipconfig interface
+.RB [ nibble
+.IR NN ]
+.RB [ trigger
+.IR NN ]
 .br
-.B "plipconfig interface [nibble NN] [trigger NN] [unit NN]"
+.B plipconfig
+.RB [ \-V ]
+.RB [ \-\-version ]
+.RB [ \-h ]
+.RB [ \-\-help ]
 .SH DESCRIPTION
 .B Plipconfig
 is used to (hopefully) improve PLIP performance by changing the default

plipconfig.c

@@ -43,9 +43,6 @@
 #include "net-support.h"
 #include "version.h"
 
-int opt_a = 0;
-int opt_i = 0;
-int opt_v = 0;
 int skfd = -1;
 
 struct ifreq ifr;
@@ -63,9 +60,9 @@ static void version(void)
 
 void usage(void)
 {
-    fprintf(stderr, _("Usage: plipconfig [-a] [-i] [-v] interface\n"));
-    fprintf(stderr, _("                  [nibble NN] [trigger NN]\n"));
+    fprintf(stderr, _("Usage: plipconfig interface [nibble NN] [trigger NN]\n"));
     fprintf(stderr, _("       plipconfig -V | --version\n"));
+    fprintf(stderr, _("       plipconfig -h | --help\n"));
     exit(-1);
 }
 
@@ -93,12 +90,10 @@ int main(int argc, char **argv)
     argc--;
     argv++;
     while (argv[0] && *argv[0] == '-') {
-	if (!strcmp(*argv, "-a"))
-	    opt_a = 1;
-	if (!strcmp(*argv, "-v"))
-	    opt_v = 1;
 	if (!strcmp(*argv, "-V") || !strcmp(*argv, "--version"))
 	    version();
+	else
+            usage();
 	argv++;
 	argc--;
     }