png_do_write_swap_alpha 3437 third_party/libpng/png.h PNG_EXTERN void png_do_write_swap_alpha PNGARG((png_row_infop row_info,
png_do_write_swap_alpha   70 third_party/libpng/pngwtran.c       png_do_write_swap_alpha(&(png_ptr->row_info), png_ptr->row_buf + 1);