__builtin_object_size 141 maint/gnulib/lib/cdefs.h #define __bos(ptr) __builtin_object_size (ptr, __USE_FORTIFY_LEVEL > 1) __builtin_object_size 142 maint/gnulib/lib/cdefs.h #define __bos0(ptr) __builtin_object_size (ptr, 0)