cc -pthread  -Wall -Wextra -Werror -Wno-error=deprecated -Wno-error=deprecated-declarations pthread/pthread_getschedparam.c -o pthread/pthread_getschedparam -D_POSIX_C_SOURCE=202405L -lm -lpthread -lrt -lintl -liconv
pthread/pthread_getschedparam.c:6:70: error: ‘pthread_getschedparam’ undeclared here (not in a function)
    6 | int (*foo)(pthread_t, int *restrict, struct sched_param *restrict) = pthread_getschedparam;
      |                                                                      ^~~~~~~~~~~~~~~~~~~~~