cc -O2 -pipe  -pthread  -Wall -Wextra -Werror -Wno-error=deprecated -Wno-error=deprecated-declarations pthread/pthread_mutex_consistent.c -o pthread/pthread_mutex_consistent -D_POSIX_C_SOURCE=202405L  -lm -lpthread 
pthread/pthread_mutex_consistent.c:5:33: error: use of undeclared identifier 'pthread_mutex_consistent'; did you mean 'pthread_mutex_init'?
int (*foo)(pthread_mutex_t *) = pthread_mutex_consistent;
                                ^~~~~~~~~~~~~~~~~~~~~~~~
                                pthread_mutex_init
/usr/include/pthread.h:229:6: note: 'pthread_mutex_init' declared here
int             pthread_mutex_init(pthread_mutex_t *,
                ^
pthread/pthread_mutex_consistent.c:5:7: error: incompatible function pointer types initializing 'int (*)(pthread_mutex_t *)' (aka 'int (*)(volatile struct pthread_mutex **)') with an expression of type 'int (pthread_mutex_t *, const pthread_mutexattr_t *)' (aka 'int (volatile struct pthread_mutex **, struct pthread_mutex_attr *const *)') [-Werror,-Wincompatible-function-pointer-types]
int (*foo)(pthread_mutex_t *) = pthread_mutex_consistent;
      ^                         ~~~~~~~~~~~~~~~~~~~~~~~~
2 errors generated.