cc -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  -liconv
pthread/pthread_mutexattr_setrobust.c:5:42: error: use of undeclared identifier 'pthread_mutexattr_setrobust'
    5 | int (*foo)(pthread_mutexattr_t *, int) = pthread_mutexattr_setrobust;
      |                                          ^
1 error generated.