Ren

How about using "ks_mode" instead of "int"?

3

1. [Here](https://github.com/keystone-engine/keystone/blob/master/include/keystone/keystone.h#L239) 2. [Here](https://github.com/keystone-engine/keystone/blob/master/llvm/keystone/ks.cpp#L253) 3. [Here](https://github.com/keystone-engine/keystone/blob/master/samples/sample.c#L9)