cc -O2 -pipe  -pthread  -Wall -Wextra -Werror -Wno-error=deprecated -Wno-error=deprecated-declarations pthread/pthread_mutexattr_getpshared.c -o pthread/pthread_mutexattr_getpshared -D_POSIX_C_SOURCE=202405L  -lm -lpthread 
pthread/pthread_mutexattr_getpshared.c:6:66: error: use of undeclared identifier 'pthread_mutexattr_getpshared'
int (*foo)(const pthread_mutexattr_t *restrict, int *restrict) = pthread_mutexattr_getpshared;
                                                                 ^
1 error generated.