png_set_longjmp_fn 7834 src/image.c    DEF_DLL_FN (jmp_buf *, png_set_longjmp_fn,
png_set_longjmp_fn 7873 src/image.c      LOAD_DLL_FN (library, png_set_longjmp_fn);
png_set_longjmp_fn 7950 src/image.c         (*png_set_longjmp_fn (ptr, FAST_LONGJMP, sizeof (jmp_buf)))