cc -O2 -pipe -pthread -Wall -Wextra -Werror -Wno-error=deprecated -Wno-error=deprecated-declarations sys_resource/getpriority.c -o sys_resource/getpriority -D_POSIX_C_SOURCE=202405L -lm -lpthread -lrt -lstdthreads -lcrypt sys_resource/getpriority.c:11:7: error: incompatible function pointer types initializing 'int (*)(int, id_t)' (aka 'int (*)(int, long)') with an expression of type 'int (int, int)' [-Wincompatible-function-pointer-types] 11 | int (*foo)(int, id_t) = getpriority; | ^ ~~~~~~~~~~~ 1 error generated.