iOS 调用 system（）函数所面临的难题，报告这函数用不了了？

[lidatui]

-(void)aaa{ const char*string = "ls"; int b = system(string); NSLog(@"%d",b); } 调用这个函数时，，报错 system is deprecated:first deprecated in iOS 8.0 那个高手会解决？

[rushcheyo]

http://stackoverflow.com/questions/27046728/how-do-you-use-posix-spawn-to-replace-the-deprecated-system-to-launch-opendiff

就是 Google 结果的第一条。