#include <pwd.h>
#include <grp.h>
#include <stdlib.h>
#include <stdio.h>
#include <sys/types.h>
#include <unistd.h>
#include <dlfcn.h>

int main(void){
	void *uchwyt;
	char *name;
        uid_t user = getuid();
        gid_t groupid = getgid();
        struct passwd *userpass = getpwuid(user);
	//struct group *l = getgrnam("lukasz");
	//if (l->gr_mem[0]==NULL) printf("Dziwne\n");
        setgrent();
	struct group *aktualna;
        printf("ID uzytkownika: %d\n", userpass->pw_uid);
        printf("Uzytkownik: %s\n", userpass->pw_name);
	name = userpass->pw_name;
	uchwyt = dlopen("fun.so",RTLD_LAZY);
	if(!uchwyt) {
		fprintf(stderr, "%s\n", dlerror());
		exit(1);
	}
        return(0);
}


#include <pwd.h>
#include <grp.h>
#include <stdlib.h>
#include <stdio.h>
#include <sys/types.h>
#include <unistd.h>

void jakieGrupy(int *name){
	printf("Nalezy do grup: \n");
	while ( (aktualna=getgrent()) != NULL){
		//printf("Grupa: %s\n",aktualna->gr_name);
		int w = 0;
		int g = 0;
		while (aktualna->gr_mem[w] != NULL){
			//printf("\tMember: %s\n",aktualna->gr_mem[w]);
			if (strcmp(name,aktualna->gr_mem[w])==0){
				printf("%s\n",aktualna->gr_name);
			}
			w++;
		}
	}
	endgrent();
}