Audio Capturing and Rendering in C++ Windows/Linux

Dear all, I want the following to be developed: A function to do Audio capturing from microphone and storing the audio in a buffer A function to de Audio Playback from such a buffer , the Capturing function should work in windows (Visual studio 2010) Playback in both windows and Linux (two separate functions is OK) All in C++ using orignal OS/driver support for audio, Please bid if you have such functions or think you can develop them quickly, I made a start myself and can also provide you with some help and sources, Thank you! Best regards, Rafael2