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Asked: 2026-06-17T14:36:39+00:00

i m practising C++. i just add c++ files in XCode and write some

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i m practising C++. i just add c++ files in XCode and write some string splitting functionality in it. After that i include that C++ file i.e. extension of .mm file in my AppDelegate file and call function from .h file of C++ class. But i found one static error in red line which is ‘iostream’ file not found . I used latest XCode version 4.5 and iOS 6.0. Please see screen shot of my error or xcode screen.
enter image description here

I m tried to modify my code as per given link information but no success. 🙁

also i followed this link information as well, but result is same.

Thanks
iHungry

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1 Answer

  1. Editorial Team

    Objective C having .m extensions for its implementation files. If you want to use C++ in Objective C it should have .mm extensions. you can include C++ header files in your .mm file. But if you want to include your C++ header files in your .h file, you need to check macro for that, like

    #ifdef __cplus
#include <iostream>
#endif

    But, I haven’t tried any functions by including C++ header file in .h file. Hope it helps.

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