1 files changed, 4 insertions, 0 deletions
diff --git a/paper.h b/paper.h
index 3f20fc2..d0c0139 100644
--- a/paper.h
+++ b/paper.h
@@ -418,6 +418,10 @@ void pf_writeps(font_info const *fi, FILE *ofp);
 /*
  * Backend functions exported by in_sfnt.c
  */
+typedef struct sfnt_Tag sfnt;
+glyph sfnt_indextoglyph(sfnt *sf, unsigned idx);
+unsigned sfnt_glyphtoindex(sfnt *sf, glyph g);
+unsigned sfnt_nglyphs(sfnt *sf);
 void sfnt_writeps(font_info const *fi, FILE *ofp);
 void sfnt_cmap(font_encoding *fe, object *);
 void sfnt_data(font_info *fi, char **bufp, size_t *lenp);