cc -pthread  -Wall -Wextra -Werror -Wno-error=deprecated -Wno-error=deprecated-declarations sys_wait/waitid.c -o sys_wait/waitid -D_POSIX_C_SOURCE=202405L -lm -lpthread -lrt -lintl -liconv
sys_wait/waitid.c:5:37: error: expected ‘)’ before ‘*’ token
    5 | int (*foo)(idtype_t, id_t, siginfo_t *, int) = waitid;
      |                                     ^~
      |                                     )