png_fixed_point_p 1915 3rdparty/libpng/png.c png_muldiv(png_fixed_point_p res, png_fixed_point a, png_int_32 times, png_fixed_point_p 1622 3rdparty/libpng/pngpriv.h PNG_EXTERN int png_muldiv PNGARG((png_fixed_point_p res, png_fixed_point a,