//test pentru mituc
// a se apela: test addr1 mask1 addr2 mask2
#include <stdio.h>
#include <netinet/in.h>
#include <sys/socket.h>
#include <string.h>


int main(int argc, char **argv){

char v[16];
struct in_addr i;
uint32_t m, a[4];
#define addr1 a[0]
#define mask1 a[1]
#define addr2 a[2]
#define mask2 a[3]

for(m=0;m<4;m++){
    strncpy(v, argv[m+1], 15);
    v[15] = 0;
    inet_aton((const char*)v, &i);
    a[m] = i.s_addr;
}

// asta-i tot testu'
m = mask1 & mask2;
if((addr1 & m) == (addr2 & m)) printf("overlap\n");

}