cc -pthread  -Wall -Wextra -Werror=implicit-function-declaration sys_stat/mknod.c -o sys_stat/mknod -D_GNU_SOURCE -D_BSD_SOURCE -D_ALL_SOURCE -D_DEFAULT_SOURCE -lm -lpthread -lrt -lintl -liconv
sys_stat/mknod.c: In function ‘main’:
sys_stat/mknod.c:54:14: error: implicit declaration of function ‘mknod’ [-Wimplicit-function-declaration]
   54 |         if ( mknod(path, S_IFIFO | 0600, 0) < 0 )
      |              ^~~~~