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ip/pppoe: get rid of horrible hexdump() function

--- a/sys/src/cmd/ip/pppoe.c

+++ b/sys/src/cmd/ip/pppoe.c

@@ -73,7 +73,6 @@

 void dumppkt(uchar*);

 uchar *findtag(uchar*, int, int*, int);

-void hexdump(uchar*, int);

 int malformed(uchar*, int, int);

 int pppoe(char*);

 void execppp(int);

@@ -806,27 +805,4 @@

 	}

 	return 0;

-}

-

-void

-hexdump(uchar *a, int na)

-{

-	int i;

-	char buf[80];

-

-	buf[0] = '\0';

-	for(i=0; i<na; i++){

-		sprint(buf+strlen(buf), " %.2ux", a[i]);

-		if(i%16 == 7)

-			sprint(buf+strlen(buf), " --");

-		if(i%16==15){

-			sprint(buf+strlen(buf), "\n");

-			write(2, buf, strlen(buf));

-			buf[0] = 0;

-		}

-	}

-	if(i%16){

-		sprint(buf+strlen(buf), "\n");

-		write(2, buf, strlen(buf));

-	}

 }

-- 

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