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#include <stdio.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <arpa/inet.h>
int main()
{
uint32_t ip = 0;
printf("%s\n",inet_ntoa(*(struct in_addr *)ip));
return 0;
}
I don’t want to do this by declaring any temporary variable. This program gives segmentation fault.
struct in_addr {
uint32_t s_addr;
};
You’re casting an int to a pointer. Perhaps you want this:
But the result is implementation-defined (for a start, there’re endianness considerations).