cc -pthread  -Wall -Wextra -Werror -Wno-error=deprecated -Wno-error=deprecated-declarations time/getdate.c -o time/getdate -D_POSIX_C_SOURCE=202405L -lm -lpthread -lrt -lintl -liconv
time/getdate.c:11:35: error: ‘getdate’ undeclared here (not in a function)
   11 | struct tm *(*foo)(const char *) = getdate;
      |                                   ^~~~~~~