cc -pthread  -Wall -Wextra -Werror -Wno-error=deprecated -Wno-error=deprecated-declarations sys_stat/mknod.c -o sys_stat/mknod -D_POSIX_C_SOURCE=202405L -lm -lpthread -lrt -lintl -liconv
sys_stat/mknod.c:11:43: error: ‘mknod’ undeclared here (not in a function)
   11 | int (*foo)(const char *, mode_t, dev_t) = mknod;
      |                                           ^~~~~