add this in snippet

[sql7]

#define _range(__v, __n, __m, __blk) ({    \
    for(int __v = __n; __v < __m; __v++) { \
        {__blk}                            \
    }                                      \
})
#define range(__v, __m, __blk) _range(__v, 0, __m, __blk)