how to change the working directory to the location of the program

Question

I want to use c++ to open a file on Mac OS.

If I run the program under Xcode, the working directory is the same with the program, which is fine. However, if I try t

Answer 1

You could use chdir(), see here: Change the current working directory in C++.

Or if you could always just issue a system call (stdlib.h): http://www.cplusplus.com/reference/clibrary/cstdlib/system/. This won't be portable, but it might be good enough for what you need.