file has the prefix specified by
In other words, if the names of initial elements of
prefix. Only full pathname elements are matched,
so a path like /foo is not considered a prefix of /foobar, only
GFile is not a prefix of itself. If you want to check for
equality, use g_file_equal().
This call does no I/O, as it works purely on names. As such it can
FALSE even if
file is inside a
prefix (from a
filesystem point of view), because the prefix of
file is an alias
The data is owned by the caller of the function.