Look up all user defined aliases for the alias fontname. The resulting font family names will be stored in families, and the number of families in n_families.
an ascii string
will be set to an array of font family names. this array is owned by pango and should not be freed.
See Implementation
Look up all user defined aliases for the alias fontname. The resulting font family names will be stored in families, and the number of families in n_families.