Use standard conforming main() definition

main.c

@@ -402,7 +402,7 @@ die_oom(size_t bytes)
 }
 
 int
-main(int argc, char **argv, char **envp)
+main(int argc, char **argv)
 {
     Buffer *newbuf = NULL;
     char *p;

mktable.c

@@ -26,7 +26,7 @@ defhashfunc(HashItem_ss *, int, hss_i)
 /* *INDENT-ON* */
 
 int
-main(int argc, char *argv[], char **envp)
+main(int argc, char *argv[])
 {
     FILE *f;
     Hash_ss *hash;

proto.h

@@ -5,7 +5,7 @@
  *
  *   Created: Wed Feb 10 12:47:03 1999
  */
-extern int main(int argc, char **argv, char **envp);
+extern int main(int argc, char **argv);
 extern void nulcmd(void);
 extern void pushEvent(int cmd, void *data);
 extern MySignalHandler intTrap(SIGNAL_ARG);

w3mbookmark.c

@@ -181,7 +181,7 @@ insert_bookmark(char *bmark, struct parsed_tagarg *data)
 }
 
 int
-main(int argc, char *argv[], char **envp)
+main(int argc, char *argv[])
 {
     extern char *getenv();
     char *p;

w3mhelperpanel.c

@@ -164,7 +164,7 @@ editMailcap(char *mailcap, struct parsed_tagarg *args)
 }
 
 int
-main(int argc, char *argv[], char **envp)
+main(int argc, char *argv[])
 {
     Str mailcapfile;
     extern char *getenv();