#define _GNU_SOURCE
#include <dlfcn.h>
#include <stdio.h>
#include <string.h>
#include <sys/socket.h>

int (*original_socket)(int, int, int) = NULL;
int (*original_strcmp)(const char *arg1, const char *arg2) = NULL;

/**
 * Hook into socket function, replace the original with this hook
 */
int socket(int domain, int type, int protocol) {
  original_socket = dlsym(RTLD_NEXT, "socket");
  if (original_socket == NULL) {
    printf("Could not hook into socket");
    return -1;
  }
  printf("Socket function hooked");
  original_socket(domain, type, protocol);
  return 0;
}

/**
 * Hook  into strcmp function
 */
int strcmp(const char *__s1, const char *__s2) {
  printf("strcmp hooked\n");
  return 0;
}