state->putchar_func(state->ctx, 1, &c);
state->putchar_func(state->ctx, 1, (unsigned char *) "=");
state->putchar_func(state->ctx, 1, (unsigned char *) "=");
state->putchar_func(state->ctx, 1, &c);
state->putchar_func(state->ctx, 1, (unsigned char *) "=");
state->putchar_func(state->ctx, 1, (unsigned char *) "=");