cc -pthread  -Wall -Wextra -Werror -Wno-error=deprecated -Wno-error=deprecated-declarations pthread/pthread_condattr_setclock.c -o pthread/pthread_condattr_setclock -D_POSIX_C_SOURCE=202405L  -lm -lpthread  -liconv
pthread/pthread_condattr_setclock.c:5:47: error: use of undeclared identifier 'pthread_condattr_setclock'; did you mean 'pthread_condattr_destroy'?
    5 | int (*foo)(pthread_condattr_t *, clockid_t) = pthread_condattr_setclock;
      |                                               ^~~~~~~~~~~~~~~~~~~~~~~~~
      |                                               pthread_condattr_destroy
/Library/Developer/CommandLineTools/SDKs/MacOSX.sdk/usr/include/pthread.h:324:5: note: 'pthread_condattr_destroy' declared here
  324 | int pthread_condattr_destroy(pthread_condattr_t *);
      |     ^
pthread/pthread_condattr_setclock.c:5:7: error: incompatible function pointer types initializing 'int (*)(pthread_condattr_t *, clockid_t)' (aka 'int (*)(struct _opaque_pthread_condattr_t *, clockid_t)') with an expression of type 'int (pthread_condattr_t * _Nonnull)' (aka 'int (struct _opaque_pthread_condattr_t * _Nonnull)') [-Wincompatible-function-pointer-types]
    5 | int (*foo)(pthread_condattr_t *, clockid_t) = pthread_condattr_setclock;
      |       ^                                       ~~~~~~~~~~~~~~~~~~~~~~~~~
2 errors generated.