cc -pthread  -Wall -Wextra -Werror=implicit-function-declaration wchar/wcstold.c -o wchar/wcstold -D_GNU_SOURCE -D_BSD_SOURCE -D_ALL_SOURCE -D_DEFAULT_SOURCE -lm -lpthread -lrt -lintl -liconv
[cc@relibc::platform::sys:590 INFO] TODO: getrlimit(3, 0x7ffffffffbf0): not implemented
[cc1@relibc::platform::sys:590 INFO] TODO: getrlimit(3, 0x7ffffffffb00): not implemented
[cc1@relibc::platform::sys:590 INFO] TODO: getrlimit(9, 0x7ffffffffad0): not implemented
[cc1@relibc::platform::sys:590 INFO] TODO: getrlimit(9, 0x7ffffffffb00): not implemented
[cc1@relibc::platform::sys:590 INFO] TODO: getrlimit(5, 0x7ffffffffb00): not implemented
[cc1@relibc::platform::sys:590 INFO] TODO: getrlimit(9, 0x7ffffffffad0): not implemented
wchar/wcstold.c: In function 'main':
wchar/wcstold.c:10:29: error: implicit declaration of function 'wcstold'; did you mean 'wcstoll'? [-Werror=implicit-function-declaration]
   10 |         long double value = wcstold(L"42.1end", &end);
      |                             ^~~~~~~
      |                             wcstoll
cc1: some warnings being treated as errors