gcc -pthread -Wall -Wextra -Werror -Wno-error=deprecated -Wno-error=deprecated-declarations stdlib/setstate.c -o stdlib/setstate -D_POSIX_C_SOURCE=202405L -lm -lpthread -lrt -lxnet -lsocket -latomic stdlib/setstate.c:11:24: error: initialization of 'char * (*)(char *)' from incompatible pointer type 'char * (*)(const char *)' [-Wincompatible-pointer-types] 11 | char *(*foo)(char *) = setstate; | ^~~~~~~~