cc -pthread  -Wall -Wextra -Werror -Wno-error=deprecated -Wno-error=deprecated-declarations time/struct-tm-tm_gmtoff.c -o time/struct-tm-tm_gmtoff -D_POSIX_C_SOURCE=202405L -lm -lpthread -lrt -lintl -liconv
time/struct-tm-tm_gmtoff.c: In function ‘foo’:
time/struct-tm-tm_gmtoff.c:4:25: error: ‘struct tm’ has no member named ‘tm_gmtoff’
    4 |         long *qux = &bar->tm_gmtoff;
      |                         ^~