指针转换两个数值
................\Debug
................\.....\test2.exe
................\.....\test2.ilk
................\.....\test2.obj
................\.....\test2.pch
................\.....\test2.pdb
................\.....\vc60.idb
................\.....\vc60.pdb
................\test2.c
................\test2.dsp
................\test2.dsw
................\test2.ncb
................\test2.opt
................\test2.plg