cc -pthread -Wall -Wextra -Werror -Wno-error=deprecated -Wno-error=deprecated-declarations time/clock_getcpuclockid.c -o time/clock_getcpuclockid -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/clock_getcpuclockid.c:6:34: error: 'clock_getcpuclockid' undeclared here (not in a function) 6 | int (*foo)(pid_t, clockid_t *) = clock_getcpuclockid; | ^~~~~~~~~~~~~~~~~~~