Lists the different font faces that make up this.
The faces in a family share a common design, but differ in slant, weight, width and other aspects.
Note that the returned faces are not in any particular order, and multiple faces may have the same name or characteristics.
`PangoFontFamily` also implemented the [[email protected]] interface for enumerating faces.
| this |
a `PangoFontFamily` |
| faces |
location to store an array of pointers to `PangoFontFace` objects, or null. This array should be freed with g_free when it is no longer needed. |
| n_faces |
location to store number of elements in |