x86_64-managarm-gcc -pthread  -Wall -Wextra -Werror -Wno-error=deprecated -Wno-error=deprecated-declarations threads/cnd_signal.c -o threads/cnd_signal -D_POSIX_C_SOURCE=202405L -lm -lpthread -lrt -lintl -liconv
threads/cnd_signal.c:5:23: error: ‘cnd_signal’ undeclared here (not in a function); did you mean ‘cnd_init’?
    5 | int (*foo)(cnd_t *) = cnd_signal;
      |                       ^~~~~~~~~~
      |                       cnd_init