png_set_read_status_fn 1346 third_party/libpng/pngread.c png_set_read_status_fn(png_structp png_ptr, png_read_status_ptr read_row_fn)
png_set_read_status_fn  408 third_party/libpng/pngusr.h #define png_set_read_status_fn          wk_png_set_read_status_fn