cc -pthread -Wall -Wextra -Werror -Wno-error=deprecated -Wno-error=deprecated-declarations pthread/pthread_barrierattr_setpshared.c -o pthread/pthread_barrierattr_setpshared -D_POSIX_C_SOURCE=202405L -lm -lpthread -liconv pthread/pthread_barrierattr_setpshared.c:6:12: error: unknown type name 'pthread_barrierattr_t'; did you mean 'pthread_mutexattr_t'? int (*foo)(pthread_barrierattr_t *, int) = pthread_barrierattr_setpshared; ^~~~~~~~~~~~~~~~~~~~~ pthread_mutexattr_t /Library/Developer/CommandLineTools/SDKs/MacOSX.sdk/usr/include/sys/_pthread/_pthread_mutexattr_t.h:31:38: note: 'pthread_mutexattr_t' declared here typedef __darwin_pthread_mutexattr_t pthread_mutexattr_t; ^ pthread/pthread_barrierattr_setpshared.c:6:44: error: use of undeclared identifier 'pthread_barrierattr_setpshared'; did you mean 'pthread_mutexattr_setpshared'? int (*foo)(pthread_barrierattr_t *, int) = pthread_barrierattr_setpshared; ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ pthread_mutexattr_setpshared /Library/Developer/CommandLineTools/SDKs/MacOSX.sdk/usr/include/pthread.h:440:5: note: 'pthread_mutexattr_setpshared' declared here int pthread_mutexattr_setpshared(pthread_mutexattr_t *, int); ^ 2 errors generated.