cc -pthread  -Wall -Wextra -Werror -Wno-error=deprecated -Wno-error=deprecated-declarations pthread/pthread_spin_destroy.c -o pthread/pthread_spin_destroy -D_POSIX_C_SOURCE=202405L  -lm -lpthread  -liconv
pthread/pthread_spin_destroy.c:5:12: error: unknown type name 'pthread_spinlock_t'; did you mean 'pthread_rwlock_t'?
    5 | int (*foo)(pthread_spinlock_t *) = pthread_spin_destroy;
      |            ^~~~~~~~~~~~~~~~~~
      |            pthread_rwlock_t
/Library/Developer/CommandLineTools/SDKs/MacOSX.sdk/usr/include/sys/_pthread/_pthread_rwlock_t.h:31:35: note: 'pthread_rwlock_t' declared here
   31 | typedef __darwin_pthread_rwlock_t pthread_rwlock_t;
      |                                   ^
pthread/pthread_spin_destroy.c:5:36: error: use of undeclared identifier 'pthread_spin_destroy'
    5 | int (*foo)(pthread_spinlock_t *) = pthread_spin_destroy;
      |                                    ^
2 errors generated.