C语言结构体和联合体

#include <stdio.h>
#include <stdlib.h>

#define FALSE 0
#define TRUE 1
typedef struct NODE{
    STRUCT NODE *link;
    int value;
}Node;

int sll_insert(Node *current,int newvalue)
{
    Node *previous;
    Node *new;
    
    while(current->value<newvalue){
        previous =current;
        current =current->link;            
    }
    new =(Node *)malloc(sizeof(Node));
    if( new == NULL)
    return FALSE;
    
    new->value=newvalue;        
    new->link = current;
    previous ->link=new;
    return TRUE;
    
}

int main()
{
    int result;
    result=sll_insert(root,12);
    
    return 0;
}
待测--未调通