getyourip.c

#include <stdio.h>
#include <arpa/inet.h>

int main()
{
  struct sockaddr_in sa;
  char str[INET_ADDRSTRLEN];

  inet_pton(AF_INET, "192.168.0.1", &(sa.sin_addr));
  printf("0x%x\n", sa.sin_addr.s_addr);

  return 0;
}

netlog.c

// Doesn't work

#include <libk/stdio.h>
#include <libk/stdarg.h>
#include <libk/string.h>
#include <psp2kern/net/net.h>

#include "netlog.h"

struct SceNetSockaddrIn stSockAddr;
int socketFd;

void netlogInit(const char *serverIp, int port) {
	socketFd =  ksceNetSocket("debugnet_socket", SCE_NET_AF_INET , SCE_NET_SOCK_DGRAM, SCE_NET_IPPROTO_UDP);
	memset(&stSockAddr, 0, sizeof stSockAddr);

	stSockAddr.sin_family = SCE_NET_AF_INET;
    stSockAddr.sin_port = ksceNetHtons(port);
	// Doesn't exist in Kernel, do it yourself on your computer
	//ksceNetInetPton(SCE_NET_AF_INET, serverIp, &stSockAddr.sin_addr);
    stSockAddr.sin_addr.s_addr = /* This is given by getyourip.c */;

	ksceNetConnect(socketFd, (struct SceNetSockaddr *)&stSockAddr, sizeof stSockAddr);
	netlogPrintf("Netlog started.\n");
}

void netlogPrintf(const char* fmt, ...) {
	char buffer[0x800];
	va_list arg;
	va_start(arg, fmt);
	vsnprintf(buffer, sizeof(buffer), fmt, arg);
	va_end(arg);

	ksceNetSendto(socketFd, buffer, strlen(buffer), 0, NULL, 0);
}

netlog.h

void netlogInit(const char *serverIp, int port);
void netlogPrintf(const char* fmt, ...);