Functions
push_hairpin_stack ()
GSList *
push_hairpin_stack (GSList *hairpin_stack,
gint x);
top_hairpin_stack ()
gint
top_hairpin_stack (GSList *hairpin_stack);
pop_hairpin_stack ()
GSList *
pop_hairpin_stack (GSList *hairpin_stack);
draw_hairpin ()
void
draw_hairpin (cairo_t *cr,
GSList **hairpin_stack,
gint x2,
gint y,
gint dir);