cc -pthread  -Wall -Wextra -Werror=implicit-function-declaration stdlib/setstate.c -o stdlib/setstate -D_GNU_SOURCE -D_BSD_SOURCE -D_ALL_SOURCE -D_DEFAULT_SOURCE -lm -lpthread -lrt -lintl -liconv
stdlib/setstate.c: In function ‘main’:
stdlib/setstate.c:11:27: error: implicit declaration of function ‘initstate’ [-Wimplicit-function-declaration]
   11 |         char* old_state = initstate(42, state, sizeof(state));
      |                           ^~~~~~~~~
stdlib/setstate.c:11:27: error: initialization of ‘char *’ from ‘int’ makes pointer from integer without a cast [-Wint-conversion]
stdlib/setstate.c:15:21: error: implicit declaration of function ‘setstate’ [-Wimplicit-function-declaration]
   15 |         old_state = setstate(new_state);
      |                     ^~~~~~~~
stdlib/setstate.c:15:19: error: assignment to ‘char *’ from ‘int’ makes pointer from integer without a cast [-Wint-conversion]
   15 |         old_state = setstate(new_state);
      |                   ^