cc -O2 -pthread  -Wall -Wextra -Werror -Wno-error=deprecated -Wno-error=deprecated-declarations termios/TABDLY.c -o termios/TABDLY -D_POSIX_C_SOURCE=202405L  -lm -lpthread -lrt  -lintl -lcrypt
termios/TABDLY.c:8:17: error: 'TABDLY' undeclared here (not in a function)
    8 | int const foo = TABDLY;
      |                 ^~~~~~