cc -pthread  -Wall -Wextra -Werror -Wno-error=deprecated -Wno-error=deprecated-declarations sched/time_t.c -o sched/time_t -D_POSIX_C_SOURCE=202405L -lm -lpthread -lrt -lintl -liconv
sched/time_t.c:3:1: error: unknown type name ‘time_t’
    3 | time_t* foo;
      | ^~~~~~
sched/time_t.c:3:1: note: ‘time_t’ is defined in header ‘<time.h>’; this is probably fixable by adding ‘#include <time.h>’
    2 | #include <sched.h>
  +++ |+#include <time.h>
    3 | time_t* foo;