65 dupargv (char **argv)  in dupargv()  argument
70   if (argv == NULL)  in dupargv()
74   for (argc = 0; argv[argc] != NULL; argc++);  in dupargv()
78   for (argc = 0; argv[argc] != NULL; argc++)  in dupargv()
80       int len = strlen (argv[argc]);  in dupargv()
82       strcpy (copy[argc], argv[argc]);  in dupargv()
182   char **argv = NULL;  in buildargv()  local
198 	      if (argv == NULL)  in buildargv()
206 		  nargv = (char **) xrealloc (argv, maxargc * sizeof (char *));  in buildargv()
208 	      argv = nargv;  in buildargv()
209 	      argv[argc] = NULL;  in buildargv()
271 	  argv[argc] = xstrdup (copybuf);  in buildargv()
273 	  argv[argc] = NULL;  in buildargv()
281   return (argv);  in buildargv()
297 writeargv (char **argv, FILE *f)  in writeargv()  argument
304   while (*argv != NULL)  in writeargv()
306       const char *arg = *argv;  in writeargv()
332       argv++;  in writeargv()
480 countargv (char **argv)  in countargv()  argument
484   if (argv == NULL)  in countargv()
486   for (argc = 0; argv[argc] != NULL; argc++)  in countargv()
515   char **argv;  in main()  local
522       if ((argv = buildargv (*test)) == NULL)  in main()
528 	  for (targs = argv; *targs != NULL; targs++)  in main()
534       freeargv (argv);  in main()