//!< returns the path to the unix root, which may be simulated.
/*!< on unix, this will just return '/'. on win32 with cygwin installed,
this will return the cygwin path for '/' that was detected at build time.
//!< returns the path to the unix root, which may be simulated.
/*!< on unix, this will just return '/'. on win32 with cygwin installed,
this will return the cygwin path for '/' that was detected at build time.