alloca-opt [test $ac_use_included_regex = yes]
btowc [test $ac_use_included_regex = yes]
gettext-h [test $ac_use_included_regex = yes]
+lock [test "$ac_cv_gnu_library_2_1:$ac_use_included_regex" = no:yes]
malloc-gnu [test $ac_use_included_regex = yes]
memcmp [test $ac_use_included_regex = yes]
memmove [test $ac_use_included_regex = yes]