cc -O2 -pipe -pthread  -Wall -Wextra -Werror -Wno-error=deprecated -Wno-error=deprecated-declarations spawn/posix_spawn_file_actions_addfchdir.c -o spawn/posix_spawn_file_actions_addfchdir -D_POSIX_C_SOURCE=202405L  -lm -lpthread -lrt  -lstdthreads -lcrypt
spawn/posix_spawn_file_actions_addfchdir.c:6:49: error: use of undeclared identifier 'posix_spawn_file_actions_addfchdir'; did you mean 'posix_spawn_file_actions_addclose'?
    6 | int (*foo)(posix_spawn_file_actions_t *, int) = posix_spawn_file_actions_addfchdir;
      |                                                 ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
      |                                                 posix_spawn_file_actions_addclose
/usr/include/spawn.h:87:5: note: 'posix_spawn_file_actions_addclose' declared here
   87 | int posix_spawn_file_actions_addclose(posix_spawn_file_actions_t *, int);
      |     ^
1 error generated.