HelenOS sources

gfx_font_prev_glyph   61 uspace/lib/gfxfont/include/gfx/font.h extern gfx_glyph_t *gfx_font_prev_glyph(gfx_glyph_t *);
gfx_font_prev_glyph  407 uspace/lib/gfxfont/test/font.c 	gfirst = gfx_font_prev_glyph(gsecond);
HelenOS homepage, sources at GitHub