x86_64-managarm-gcc -pthread  -Wall -Wextra cnd_signal.c -o cnd_signal -D_GNU_SOURCE -D_BSD_SOURCE -D_ALL_SOURCE -D_DEFAULT_SOURCE -lm -lpthread -lrt -lintl -liconv
cnd_signal.c: In function ‘main’:
cnd_signal.c:18:15: error: implicit declaration of function ‘cnd_signal’ [-Wimplicit-function-declaration]
   18 |         ret = cnd_signal(&cnd);
      |               ^~~~~~~~~~