argz_stringify__ (argz, len, sep) char *argz; size_t len; int sep;
argz_stringify__ (char *argz, size_t len, int sep)
argz_stringify__ (argz, len, sep)     char *argz;     size_t len;     int sep;{  while (len > 0)    {      size_t part_len = strlen (argz);      argz += part_len;      len -= part_len + 1;      if (len > 0)	*argz++ = sep;    }}