The Wayback Machine - https://web.archive.org/web/20110921215148/http://www.codeguru.com:80/cpp/data/data-misc/inifiles/

    INI Files

    Working with INI Configuration Files Cross-Platform (Win32/Un*x, MBCS/Unicode)

    Win32 has a built-in INI file API, but writing cross-platform code is difficult because these functions aren't available on Linux.

    High Performance Solution Ini File Class with MMF

    Based on MMF, plus the pre-allocated buffer and section header map technology, this should be the ultimate solution to the mega-bytes-level INI file usage. Both Unicode and ANSI versions are available.

    Handle Configuration Files Using a Portable Class'—CDataFile

    CDataFile is a C++ class that aids you in reading and writing to configuration files. It is generally compatible with standard Windows .ini files, supports multiline comments, does not rely on any windows or MFC calls, and is easily portable to Linux.

    CIniFile

    A "simple to use" class for creating and using INI files.

    MFC extension class CPrivateProfile

    The class CPrivateProfile is a wrapper class around the Win32 functions GetPrivateProfileString and GetPrivateProfileInt. It enables an easy way to traverse and read INI files.

    CIniEx - Dynamic .INI Class

    Memory-mapped file-like solution for quicker data access using INI files