png_get_channels  264 contrib/gregbook/readpng.c     *pChannels = (int)png_get_channels(png_ptr, info_ptr);
png_get_channels  362 contrib/gregbook/readpng2.c     mainprog_ptr->channels = png_get_channels(png_ptr, info_ptr);
png_get_channels  228 contrib/visupng/PngFile.c         ulChannels = png_get_channels(png_ptr, info_ptr);
png_get_channels 2017 png.h          PNG_EXPORT(114, png_byte, png_get_channels, (png_const_structrp png_ptr,
png_get_channels 3351 pngread.c         if (png_get_channels(png_ptr, info_ptr) != 2)