cc -pthread  -Wall -Wextra -Werror -Wno-error=deprecated -Wno-error=deprecated-declarations stdlib/WIFSIGNALED.c -o stdlib/WIFSIGNALED -D_POSIX_C_SOURCE=202405L -lm -lpthread -lrt -lintl -liconv
stdlib/WIFSIGNALED.c:2:17: error: ‘WIFSIGNALED’ undeclared here (not in a function)
    2 | int const foo = WIFSIGNALED;
      |                 ^~~~~~~~~~~