user: Please show me the C implementation that matches the assembly code listed below:

```asm
<init_extensions>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  mov    $0x0,%eax
  call   <libxt_AUDIT_init@plt>
  mov    $0x0,%eax
  call   <libxt_CHECKSUM_init@plt>
  mov    $0x0,%eax
  call   <libxt_CLASSIFY_init@plt>
  mov    $0x0,%eax
  call   <libxt_cluster_init@plt>
  mov    $0x0,%eax
  call   <libxt_comment_init@plt>
  mov    $0x0,%eax
  call   <libxt_connbytes_init@plt>
  mov    $0x0,%eax
  call   <libxt_connlimit_init@plt>
  mov    $0x0,%eax
  call   <libxt_connmark_init@plt>
  mov    $0x0,%eax
  call   <libxt_CONNMARK_init@plt>
  mov    $0x0,%eax
  call   <libxt_CONNSECMARK_init@plt>
  mov    $0x0,%eax
  call   <libxt_conntrack_init@plt>
  mov    $0x0,%eax
  call   <libxt_cpu_init@plt>
  mov    $0x0,%eax
  call   <libxt_CT_init@plt>
  mov    $0x0,%eax
  call   <libxt_devgroup_init@plt>
  mov    $0x0,%eax
  call   <libxt_dscp_init@plt>
  mov    $0x0,%eax
  call   <libxt_DSCP_init@plt>
  mov    $0x0,%eax
  call   <libxt_esp_init@plt>
  mov    $0x0,%eax
  call   <libxt_hashlimit_init@plt>
  mov    $0x0,%eax
  call   <libxt_helper_init@plt>
  mov    $0x0,%eax
  call   <libxt_IDLETIMER_init@plt>
  mov    $0x0,%eax
  call   <libxt_iprange_init@plt>
  mov    $0x0,%eax
  call   <libxt_LED_init@plt>
  mov    $0x0,%eax
  call   <libxt_length_init@plt>
  mov    $0x0,%eax
  call   <libxt_limit_init@plt>
  mov    $0x0,%eax
  call   <libxt_mac_init@plt>
  mov    $0x0,%eax
  call   <libxt_mark_init@plt>
  mov    $0x0,%eax
  call   <libxt_MARK_init@plt>
  mov    $0x0,%eax
  call   <libxt_multiport_init@plt>
  mov    $0x0,%eax
  call   <libxt_NFLOG_init@plt>
  mov    $0x0,%eax
  call   <libxt_NFQUEUE_init@plt>
  mov    $0x0,%eax
  call   <libxt_NOTRACK_init@plt>
  mov    $0x0,%eax
  call   <libxt_osf_init@plt>
  mov    $0x0,%eax
  call   <libxt_owner_init@plt>
  mov    $0x0,%eax
  call   <libxt_physdev_init@plt>
  mov    $0x0,%eax
  call   <libxt_pkttype_init@plt>
  mov    $0x0,%eax
  call   <libxt_policy_init@plt>
  mov    $0x0,%eax
  call   <libxt_quota2_init@plt>
  mov    $0x0,%eax
  call   <libxt_quota_init@plt>
  mov    $0x0,%eax
  call   <libxt_rateest_init@plt>
  mov    $0x0,%eax
  call   <libxt_RATEEST_init@plt>
  mov    $0x0,%eax
  call   <libxt_recent_init@plt>
  mov    $0x0,%eax
  call   <libxt_sctp_init@plt>
  mov    $0x0,%eax
  call   <libxt_SECMARK_init@plt>
  mov    $0x0,%eax
  call   <libxt_set_init@plt>
  mov    $0x0,%eax
  call   <libxt_SET_init@plt>
  mov    $0x0,%eax
  call   <libxt_socket_init@plt>
  mov    $0x0,%eax
  call   <libxt_standard_init@plt>
  mov    $0x0,%eax
  call   <libxt_state_init@plt>
  mov    $0x0,%eax
  call   <libxt_statistic_init@plt>
  mov    $0x0,%eax
  call   <libxt_string_init@plt>
  mov    $0x0,%eax
  call   <libxt_tcp_init@plt>
  mov    $0x0,%eax
  call   <libxt_tcpmss_init@plt>
  mov    $0x0,%eax
  call   <libxt_TCPMSS_init@plt>
  mov    $0x0,%eax
  call   <libxt_TEE_init@plt>
  mov    $0x0,%eax
  call   <libxt_time_init@plt>
  mov    $0x0,%eax
  call   <libxt_tos_init@plt>
  mov    $0x0,%eax
  call   <libxt_TOS_init@plt>
  mov    $0x0,%eax
  call   <libxt_TPROXY_init@plt>
  mov    $0x0,%eax
  call   <libxt_TRACE_init@plt>
  mov    $0x0,%eax
  call   <libxt_u32_init@plt>
  mov    $0x0,%eax
  call   <libxt_udp_init@plt>
  nop
  pop    %rbp
  ret
```

assistant: ```c
void init_extensions(void) {
  libxt_AUDIT_init();
  libxt_CHECKSUM_init();
  libxt_CLASSIFY_init();
  libxt_cluster_init();
  libxt_comment_init();
  libxt_connbytes_init();
  libxt_connlimit_init();
  libxt_connmark_init();
  libxt_CONNMARK_init();
  libxt_CONNSECMARK_init();
  libxt_conntrack_init();
  libxt_cpu_init();
  libxt_CT_init();
  libxt_devgroup_init();
  libxt_dscp_init();
  libxt_DSCP_init();
  libxt_esp_init();
  libxt_hashlimit_init();
  libxt_helper_init();
  libxt_IDLETIMER_init();
  libxt_iprange_init();
  libxt_LED_init();
  libxt_length_init();
  libxt_limit_init();
  libxt_mac_init();
  libxt_mark_init();
  libxt_MARK_init();
  libxt_multiport_init();
  libxt_NFLOG_init();
  libxt_NFQUEUE_init();
  libxt_NOTRACK_init();
  libxt_osf_init();
  libxt_owner_init();
  libxt_physdev_init();
  libxt_pkttype_init();
  libxt_policy_init();
  libxt_quota2_init();
  libxt_quota_init();
  libxt_rateest_init();
  libxt_RATEEST_init();
  libxt_recent_init();
  libxt_sctp_init();
  libxt_SECMARK_init();
  libxt_set_init();
  libxt_SET_init();
  libxt_socket_init();
  libxt_standard_init();
  libxt_state_init();
  libxt_statistic_init();
  libxt_string_init();
  libxt_tcp_init();
  libxt_tcpmss_init();
  libxt_TCPMSS_init();
  libxt_TEE_init();
  libxt_time_init();
  libxt_tos_init();
  libxt_TOS_init();
  libxt_TPROXY_init();
  libxt_TRACE_init();
  libxt_u32_init();
  libxt_udp_init();
}
```