ref: 6ff9ef0c4bef23bfd91f33f0c2f5cab0b88c0307
dir: /n_hbox.h/
extern char* NHBox_Type; typedef struct NHBox NHBox; struct NHBox { Nelem; DECL_ACCESSOR_OneParam(NHBox, Slot, Nelem*); DECL_ACCESSOR_OneParam(NHBox, SizeToContent, int); // private members Nlist children; int sizetocontent; }; NHBox* New_HBox(void);