大家来帮忙看看这段代码，有关问题出在哪了

大家来帮忙看看这段代码，问题出在哪了？
#include   <windows.h>
#include   <stdio.h>
#include   <stdlib.h>
#include   <conio.h>
#include   <math.h>
#include   <time.h>

typedef   struct   _time {
int seconds;
int minutes;
int hours;
}TIME,*LPTime;

void   InitTime(LPTime   time);
void   UpdateTime(LPTime   time);
void   ShowTime(LPTime   time);
void   delay(int   i);

int   main()
{
LPTime systemtime;

InitTime(systemtime);

for(;;) {
UpdateTime(systemtime);
ShowTime(systemtime);
Sleep(100);
}
return   0;
}

void   InitTime(LPTime   time)
{
time=(LPTime)malloc(sizeof(TIME));

if   (!time)
{
printf( "Error!!!\n ");
exit(0);
}

time-> hours =0;
time-> minutes =0;
time-> seconds =0;


}
void   UpdateTime(LPTime   time)
{
time-> seconds++;
if(time-> seconds==60)
{
time-> seconds=0;
time-> minutes++;
}
if(time-> minutes==60)
{
time-> minutes=0;
time-> hours++;
}
if(time-> hours==24)
{
time-> hours=0;
}
}

void   ShowTime(LPTime   time)
{
printf( "%02d: ",time-> hours);
printf( "%02d: ",time-> minutes);
printf( "%02d\r ",time-> seconds);
}

------解决方案--------------------
初步的改了一下，楼主看看：
#include <windows.h>
#include <stdio.h>
#include <stdlib.h>
#include <conio.h>
#include <math.h>
#include <time.h>

typedef struct _time {
int seconds;
int minutes;
int hours;
}TIME,*LPTime;

LPTime& InitTime(LPTime time);
void UpdateTime(LPTime time);
void ShowTime(LPTime time);
void delay(int i);

int main()
{
LPTime systemtime;

systemtime=InitTime(systemtime);

for(;;) {
UpdateTime(systemtime);
ShowTime(systemtime);
Sleep(100);
}
return 0;
}

LPTime& InitTime(LPTime time)
{
time=(LPTime)malloc(sizeof(TIME));

if (!time)
{
printf( "Error!!!\n ");
exit(0);
}

time-> hours =0;
time-> minutes =0;
time-> seconds =0;
return time;

}
void UpdateTime(LPTime time)
{
time-> seconds++;
if(time-> seconds==60)
{
time-> seconds=0;
time-> minutes++;
}
if(time-> minutes==60)
{
time-> minutes=0;
time-> hours++;
}
if(time-> hours==24)
{
time-> hours=0;
}
}

void ShowTime(LPTime time)
{
printf( "%02d: ",time-> hours);
printf( "%02d: ",time-> minutes);
printf( "%02d\r ",time-> seconds);
}