clang -O2   -Wall -Wextra -Werror -Wno-error=deprecated -Wno-error=deprecated-declarations sys_wait/WIFCONTINUED.c -o sys_wait/WIFCONTINUED -D_POSIX_C_SOURCE=202405L  -lm   -lintl
sys_wait/WIFCONTINUED.c:9:2: error: "WIFCONTINUED is not defined"
#error "WIFCONTINUED is not defined"
 ^
1 error generated.