png_get_gAMA      475 third_party/libpng/pngget.c png_get_gAMA(png_structp png_ptr, png_infop info_ptr, double *file_gamma)
png_get_gAMA      224 third_party/libpng/pngusr.h #define png_get_gAMA                    wk_png_get_gAMA