void gtk_icon_theme_set_search_path ( GtkIconTheme* self, const char* const* path )
Sets the search path for the icon theme object.
When looking for an icon theme, GTK will search for a subdirectory
of one or more of the directories in
path with the same name
as the icon theme containing an index.theme file. (Themes from
multiple of the path elements are combined to allow themes to be
extended by adding icons in the user’s home directory.)
In addition if an icon found isn’t found either in the current
icon theme or the default icon theme, and an image file with
the right name is found directly in one of the elements of
path, then that image will be used for the icon name.
(This is legacy feature, and new icons should be put
into the fallback icon theme, which is called hicolor,
rather than directly on the icon path.)