谁能帮我看看这个程序哪错了

问题就是按Ctrl+F9测试时什么都没有
#include<stdio.h>
char name[80];
char number[80];
int result[80];
char order[20];
mian()
{
int put(int n);
int search(int n);
int ave(int n);
int max(int n);
int min(int n);
int n;
printf("order:\n");
printf("star:start\n");
printf("exit:exit\n");
printf("sea:search\n");
printf("ave:average\n");
printf("%s\n","max:max result\n");
printf("%s\n","min:min result\n");
for(;order!="exit";)
{
scanf("%s",&order);
if(order=="start")
{
printf("in put the popultio:");
scanf("%d",&n);
put(n);
}
else if(order=="sea")
search(n);
else if(order==&qu

#include<stdio.h>
char name[80];
char number[80];
int result[80];
char order[20];
void put(int n);
void search(int n);
void mian()
{

/* int ave(int n);
int max(int n);
int min(int n);
*/
int n;
printf("order:\n");
printf("star:start\n");
printf("exit:exit\n");
printf("sea:search\n");
printf("ave:average\n");
printf("%s\n","max:max result\n");
printf("%s\n","min:min result\n");
for(;order!="exit";)
{
scanf("%s",&order);
if(order=="start")
{
printf("in put the popultio:");
scanf("%d",&n);
put(n);
}
else if(order=="sea")
search(n);
/* else if(order=="ave")