cc -pthread  -Wall -Wextra -Werror=implicit-function-declaration pthread/pthread_attr_setguardsize.c -o pthread/pthread_attr_setguardsize -D_GNU_SOURCE -D_BSD_SOURCE -D_ALL_SOURCE -D_DEFAULT_SOURCE -lm -lpthread -lrt -lintl -liconv
pthread/pthread_attr_setguardsize.c: In function ‘main’:
pthread/pthread_attr_setguardsize.c:21:23: error: implicit declaration of function ‘pthread_attr_setguardsize’; did you mean ‘pthread_attr_setstacksize’? [-Wimplicit-function-declaration]
   21 |         if ( (errno = pthread_attr_setguardsize(&attr, page_size)) )
      |                       ^~~~~~~~~~~~~~~~~~~~~~~~~
      |                       pthread_attr_setstacksize