cc -pthread  -Wall -Wextra -Werror=implicit-function-declaration sys_stat/futimens.c -o sys_stat/futimens -D_GNU_SOURCE -D_BSD_SOURCE -D_ALL_SOURCE -D_DEFAULT_SOURCE  -lm -lpthread  -liconv
sys_stat/futimens.c:46:10: error: no member named 'st_atim' in 'struct stat'
   46 |         if ( st.st_atim.tv_sec != times[0].tv_sec )
      |              ~~ ^
sys_stat/futimens.c:48:10: error: no member named 'st_mtim' in 'struct stat'
   48 |         if ( st.st_mtim.tv_sec != times[1].tv_sec )
      |              ~~ ^
2 errors generated.