Sizce bu temiz kod mu amelelik mi?

#include "stdio.h"
#include "stdlib.h"
#include "stdint.h"
#include "string.h"
#include "stdbool.h"
// eleman say - listele - ekle - sil

typedef struct node
{
	int32_t x;
	struct node *next;
}node_;
void elemanEkle(node_*,int32_t value);

int main()
{
	node_ *root;
	elemanEkle(root,2);
	printf("%d",root->x);
	return -1;
}
void elemanEkle(node_* head,int32_t value)
{
	static bool i=true;
	if(i)
	{
		free(head);//free ekleyince çalıştı nasıl oldu bilmiyorum
		head = (node_*)malloc(sizeof(node_));
		head->x = value;
		head->next = (void*)0;
		i=false;
		return;
	}
		while(head->next != (void*)0)
		head = head->next;
		
		head->next = (node_*)malloc(sizeof(node_));
		head->next->next = NULL;
		head->next->x = value;
}

#include "stdio.h"
#include "stdlib.h"
#include "stdint.h"
#include "string.h"
#include "stdbool.h"
// eleman say - listele - ekle - sil

typedef struct node
{
	int32_t x;
	struct node *next;
}node_;
void elemanEkle(node_*,int32_t);
void elemanEkle_ilkDeger(node_*,int32_t);
void elemanEkle_ikinciDeger(node_*,int32_t);

int main()
{
	node_ *root;
	elemanEkle(root,2);
	return -1;
}
void elemanEkle(node_* head,int32_t value)
{
	static bool i=true;
	if(i)
	{
		elemanEkle_ilkDeger(head,value);
		i=false;
		return;
	}
	elemanEkle_ikinciDeger(head,value);
}
void elemanEkle_ilkDeger(node_* head,int32_t value)
{
	    free(head);//free ekleyince çalıştı nasıl oldu bilmiyorum
		head = (node_*)malloc(sizeof(node_));
		head->x = value;
		head->next = (void*)0;
}
void elemanEkle_ikinciDeger(node_* head,int32_t value)
{
	while(head->next != (void*)0)
		head = head->next;
		
		head->next = (node_*)malloc(sizeof(node_));
		head->next->next = (void*)0;
		head->next->x = value;
}








































/*#include "stdio.h"
#include "stdlib.h"
#include "stdint.h"
#include "string.h"
// eleman say - listele - ekle - sil

typedef struct node
{
	int32_t x;
	struct node *next;
}node_;
void elemanEkle(node_*,int32_t value);

int main()
{
	node_ *root = (void*)0;
	elemanEkle(root,2);
	return -1;
}
void elemanEkle(node_* head,int32_t value)
{
	if(head == NULL)
	{
		head = (node_*)malloc(sizeof(node_));
		head->x = value;
		head->next = NULL;
		return;
	}
		while(head->next != NULL)
		head = head->next;
		
		head->next = (node_*)malloc(sizeof(node_));
		head->next->next = NULL;
		head->next->x = value;
}*/