for (i = 0, k = 0; i < argc; i++) {
x = va_arg(ap, unsigned char *);
x_len = va_arg(ap, SilcUInt32);
if (!x || !x_len)
continue;
for (i = 0, k = 0; i < argc; i++) {
x = va_arg(ap, unsigned char *);
x_len = va_arg(ap, SilcUInt32);
if (!x || !x_len)
continue;