arch-arm/symbols/libc.so.variables.txt

__isthreaded
__p_class_syms
__p_type_syms
__progname
__sF
__stack_chk_guard
__system_property_area__
_ctype_
_tolower_tab_
_toupper_tab_
daylight
environ
optarg
opterr
optind
optopt
optreset
sys_siglist
sys_signame
timezone
tzname