2356    struct png_modification *modifications;   /* Changes to make */
2751 typedef struct png_modification  struct
2753    struct png_modification *next;  argument
2758                                struct png_modification *me, int add);  argument
2768 } png_modification;  argument
2771 modification_reset(png_modification *pmm)  in modification_reset()
2783 modification_init(png_modification *pmm)  in modification_init()
3001       png_modification *mod;  in modifier_read_imp()
3298    png_modification this;
3303 gama_modify(png_modifier *pm, png_modification *me, int add)  in gama_modify()
3330    png_modification          this;
3336 chrm_modify(png_modifier *pm, png_modification *me, int add)  in chrm_modify()
3383    png_modification this;
3388 srgb_modify(png_modifier *pm, png_modification *me, int add)  in srgb_modify()
3425    png_modification this;
3430 sbit_modify(png_modifier *pm, png_modification *me, int add)  in sbit_modify()