flush_next_in

/*
 * Flushes input buffer and returns all data in that buffer.
 */
static VALUE
rb_zstream_flush_next_in(obj)
    VALUE obj;
{
    struct zstream *z;
    VALUE dst;

    Data_Get_Struct(obj, struct zstream, z);
    dst = zstream_detach_input(z);
    OBJ_INFECT(dst, obj);
    return dst;
}