__glibc_objsize0  150 lib/cdefs.h    # define __glibc_objsize0(__o) __builtin_dynamic_object_size (__o, 0)
__glibc_objsize0  153 lib/cdefs.h    # define __glibc_objsize0(__o) __bos0 (__o)
__glibc_objsize0  159 lib/libc-config.h # undef __glibc_objsize0