cc -pthread  -Wall -Wextra -Werror -Wno-error=deprecated -Wno-error=deprecated-declarations pthread/pthread_spin_init.c -o pthread/pthread_spin_init -D_POSIX_C_SOURCE=202405L -lm -lpthread -lrt -lintl -liconv
pthread/pthread_spin_init.c:5:41: error: ‘pthread_spin_init’ undeclared here (not in a function); did you mean ‘pthread_cond_init’?
    5 | int (*foo)(pthread_spinlock_t *, int) = pthread_spin_init;
      |                                         ^~~~~~~~~~~~~~~~~
      |                                         pthread_cond_init