cc -pipe -O   -pthread  -Wall -Wextra -Werror -Wno-error=deprecated -Wno-error=deprecated-declarations pthread/pthread_mutexattr_setrobust.c -o pthread/pthread_mutexattr_setrobust -D_POSIX_C_SOURCE=202405L  -lm -lpthread -lrt  -lrt -lcrypt
pthread/pthread_mutexattr_setrobust.c:5:42: error: 'pthread_mutexattr_setrobust' undeclared here (not in a function); did you mean 'pthread_mutexattr_setprotocol'?
 int (*foo)(pthread_mutexattr_t *, int) = pthread_mutexattr_setrobust;
                                          ^~~~~~~~~~~~~~~~~~~~~~~~~~~
                                          pthread_mutexattr_setprotocol