cc -pthread  -Wall -Wextra -Werror -Wno-error=deprecated -Wno-error=deprecated-declarations time/timer_settime.c -o time/timer_settime -D_POSIX_C_SOURCE=202405L  -lm -lpthread  -liconv
time/timer_settime.c:5:21: error: expected identifier
    5 | int (*foo)(timer_t, int, const struct itimerspec *restrict, struct itimerspec *restrict) = timer_settime;
      |                     ^
time/timer_settime.c:5:92: error: use of undeclared identifier 'timer_settime'; did you mean 'clock_settime'?
    5 | int (*foo)(timer_t, int, const struct itimerspec *restrict, struct itimerspec *restrict) = timer_settime;
      |                                                                                            ^~~~~~~~~~~~~
      |                                                                                            clock_settime
/Library/Developer/CommandLineTools/SDKs/MacOSX.sdk/usr/include/_time.h:187:5: note: 'clock_settime' declared here
  187 | int clock_settime(clockid_t __clock_id, const struct timespec *__tp);
      |     ^
2 errors generated.