png_read_buffer  1409 pngrutil.c                             png_bytep profile = png_read_buffer(png_ptr,
png_read_buffer  1623 pngrutil.c        buffer = png_read_buffer(png_ptr, length+1, 2/*silent*/);
png_read_buffer  2125 pngrutil.c        buffer = png_read_buffer(png_ptr, length+1, 2/*silent*/);
png_read_buffer  2260 pngrutil.c        buffer = png_read_buffer(png_ptr, length+1, 2/*silent*/);
png_read_buffer  2406 pngrutil.c        buffer = png_read_buffer(png_ptr, length+1, 1/*warn*/);
png_read_buffer  2476 pngrutil.c        buffer = png_read_buffer(png_ptr, length, 2/*silent*/);
png_read_buffer  2585 pngrutil.c        buffer = png_read_buffer(png_ptr, length+1, 1/*warn*/);
png_read_buffer  3979 pngrutil.c              buffer = png_read_buffer(png_ptr, avail_in, 0/*error*/);