Basic Data Types

GnomeVFSResult — Result of I/O operations, the equivalent of errno
GnomeVFSURI — A uniform resource identifier.
gnome-vfs-utils — various utilities functions to manipulate uris
GnomeVFSFileInfo — stores information about files, GnomeVFS equivalent of stat
GnomeVFSFileSize — Data types used for specifying file sizes and seek positions