png_set_mem_fn 2078 third_party/libpng/png.h extern PNG_EXPORT(void,png_set_mem_fn) PNGARG((png_structp png_ptr, png_set_mem_fn 105 third_party/libpng/pngread.c png_set_mem_fn(png_ptr, mem_ptr, malloc_fn, free_fn); png_set_mem_fn 524 third_party/libpng/pngwrite.c png_set_mem_fn(png_ptr, mem_ptr, malloc_fn, free_fn);