cc -pthread  -Wall -Wextra -Werror -Wno-error=deprecated -Wno-error=deprecated-declarations time/timer_delete.c -o time/timer_delete -D_POSIX_C_SOURCE=202405L -lm -lpthread -lrt 
relibc getrlimit(3, 0x7ffffffffc80): not implemented
relibc getrlimit(3, 0x7ffffffffbb0): not implemented
relibc getrlimit(9, 0x7ffffffffb70): not implemented
relibc getrlimit(9, 0x7ffffffffba0): not implemented
relibc getrlimit(5, 0x7ffffffffba0): not implemented
relibc getrlimit(9, 0x7ffffffffb70): not implemented
time/timer_delete.c:5:23: error: 'timer_delete' undeclared here (not in a function)
    5 | int (*foo)(timer_t) = timer_delete;
      |                       ^~~~~~~~~~~~