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--- addlink.c.orig 1993-03-03 22:10:01.000000000 +0100
+++ addlink.c 2013-06-16 17:03:10.000000000 +0200
@@ -1,39 +1,35 @@
/* pathalias -- by steve bellovin, as told to peter honeyman */
#ifndef lint
-static char *sccsid = "@(#)addlink.c 9.7 88/06/10";
+static const char *sccsid = "@(#)addlink.c 9.7 88/06/10";
#endif /* lint */
#include "def.h"
+#include <string.h>
/* exports */
-extern link *addlink();
-extern void deadlink(), atrace(), freelink();
-extern int tracelink(), maptrace();
-char *Netchars = "!:@%"; /* sparse, but sufficient */
+const char *Netchars = "!:@%"; /* sparse, but sufficient */
long Lcount; /* how many edges? */
/* imports */
extern int Tflag, Dflag;
-extern link *newlink();
-extern node *addnode();
-extern void yyerror(), die();
-extern int strcmp(), strlen();
/* privates */
-STATIC void netbits(), ltrace(), ltrprint();
-static link *Trace[NTRACE];
+STATIC void netbits(register palink *l, int netchar,int netdir);
+STATIC void ltrace(node *from, node *to, Cost cost, int netchar, int netdir, const char *message);
+STATIC void ltrprint(node *from, node *to, Cost cost, int netchar, int netdir, const char *message);
+static palink *Trace[NTRACE];
static int Tracecount;
#define EQ(n1, n2) (strcmp((n1)->n_name, (n2)->n_name) == 0)
#define LTRACE if (Tflag) ltrace
-link *
+palink *
addlink(from, to, cost, netchar, netdir)
node *from;
register node *to;
Cost cost;
char netchar, netdir;
-{ register link *l, *prev = 0;
+{ register palink *l, *prev = 0;
LTRACE(from, to, cost, netchar, netdir, "");
/*
@@ -89,7 +85,7 @@
void
deadlink(nleft, nright)
node *nleft, *nright;
-{ link *l, *lhold = 0, *lprev, *lnext;
+{ palink *l, *lhold = 0, *lprev, *lnext;
/* DEAD host */
if (nright == 0) {
@@ -132,7 +128,7 @@
STATIC void
netbits(l, netchar, netdir)
- register link *l;
+ register palink *l;
char netchar, netdir;
{
l->l_flag &= ~LDIR;
@@ -144,7 +140,7 @@
tracelink(arg)
char *arg;
{ char *bang;
- link *l;
+ palink *l;
if (Tracecount >= NTRACE)
return -1;
@@ -170,8 +166,9 @@
ltrace(from, to, cost, netchar, netdir, message)
node *from, *to;
Cost cost;
- char netchar, netdir, *message;
-{ link *l;
+ char netchar, netdir;
+ const char *message;
+{ palink *l;
int i;
for (i = 0; i < Tracecount; i++) {
@@ -194,7 +191,8 @@
ltrprint(from, to, cost, netchar, netdir, message)
node *from, *to;
Cost cost;
- char netchar, netdir, *message;
+ char netchar, netdir;
+ const char *message;
{ char buf[256], *bptr = buf;
strcpy(bptr, from->n_name);
@@ -213,7 +211,7 @@
void
atrace(n1, n2)
node *n1, *n2;
-{ link *l;
+{ palink *l;
int i;
char buf[256];
@@ -230,7 +228,7 @@
int
maptrace(from, to)
register node *from, *to;
-{ register link *l;
+{ register palink *l;
register int i;
for (i = 0; i < Tracecount; i++) {
@@ -248,7 +246,7 @@
deletelink(from, to)
node *from;
node *to;
-{ register link *l, *lnext;
+{ register palink *l, *lnext;
l = from->n_link;
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