Hey all; i am currently doing a project that requires the use of AVL trees , the insert function i wrote for the avl does not seem to be working , it works for 3 or 4 nodes at maximum ;

i would really appreciate your help The attempt is below

enter code here

Tree insert(Tree t,char name[80],int num)
{
    if(t==NULL)
    {
        t=(Tree)malloc(sizeof(struct node));
        if(t!=NULL)

    {
        strcpy(t->name,name);
        t->num=num;
        t->left=NULL;
        t->right=NULL;
        t->height=0;
    }
}
    else if(strcmp(name,t->name)<0)
    {
        t->left=insert(t->left,name,num);

        if((height(t->left)-height(t->right))==2)

            if(strcmp(name,t->left->name)<0)


{
                    t=s_rotate_left(t);}
                    else{
                        t=d_rotate_left(t);}
        }
        else if(strcmp(name,t->name)>0)
        {
            t->right=insert(t->right,name,num);

if((height(t->right)-height(t->left))==2)
                if(strcmp(name,t->right->name)>0){
                    t=s_rotate_right(t);
              }
                    else{
                        t=d_rotate_right(t);}
        }
        t->height=max(height(t->left),height(t->right))+1;

    return t;

}