LINUX/UNIX c++ equivalent of chdir()?

[tmason]

Hello,

When programming under Windows VC++ gives you this nifty command to change the working directory of the application (assuming you include direct.h)

_chdir(const char* WorkingDirectoryToChangeTo);

My first set of questions are (1) what is the GCC/G++ equivalent of this command and (2) what include file do I need to include for it?

My second set of questions are (1) what is the #DEFINE to use to specify only Linux GCC/G++ code? For example, to set a C++ section to be Windows ONLY I use the #if defined(_WIN32) directive.

What is the Linux equivalent?

Thank you!

[tmason]

So I answered my own questions:

The chdir question: http://linux.die.net/man/3/chdir

And the #DEFINE for Linux question: http://sourceforge.net/p/predef/wiki/OperatingSystems/

Thanks to anyone looking into this in the meantime for me. Much appreciated.