vc++问题，急～～～～～～～！！！！
#include <stdio.h>
#include "string.h "
#include "stdlib.h "
#include "math.h "
#include "process.h "
#include "iostream.h "

#define TRUE 1
#define FALSE 0
#define OK 1
#define ERROR 0
#define OVERFLOW _OVERFLOW
#define STACK_INIT_SIZE 100
#define STACKINCREMENT 10

typedef char SElemType;
typedef struct SqStack
{
double *base;
double *top;
int stacksize;
}SqStack;

void InitStack(SqStack &S);
double ClearStack(SqStack &S);
double GetTop(SqStack S,double *e);
void Push(SqStack &S,double e);
double Pop(SqStack &S,double *e);
char precede(char a,char b);
int flag(char ch);
double Operate1(double a,char theta,double b);
double Operate2(char theta,double a);
double In(char c);

double Operate1(double a,char theta,double b)
{
double c;
switch(theta)
{
case '+ ':c=a+b;break;
case '- ':c=a-b;break;
case '* ':c=a*b;break;
case '/ ':if(b!=0) c=a/b;
else printf( "syntax error! ");
break;
case '^ ':c=pow(a,b);break;
}
return c;
}

double Operate2(char theta,double a)
{
double c;
switch(theta)
{
case 's ':c=sin(a);break;
case 'c ':c=cos(a);break;
case 'l ':if(a> 0)
c=log(a);
break;
case 'g ':if(a> 0)
c=log10(a);
break;
}
return c;
}

double In(char c)
{
switch(c)
{
case '+ ':
case '- ':
case '* ':

case '/ ':
case '( ':
case ') ':
case '= ':
case '^ ':
case 's ':
case 'l ':
case 'g ':
case 'c ':return 1;
default:return 0;
}
}

void InitStack(SqStack &S)
{
if(!(S.base=(double *)malloc(STACK_INIT_SIZE*sizeof(double))))
exit(OVERFLOW);
S.top=S.base;
S.stacksize=STACK_INIT_SIZE;
}

double ClearStack(SqStack &S)
{
S.top=S.base;
return OK;
}

double GetTop(SqStack S,double *e)
{
if(S.top==S.base) return ERROR;
else
*e=*(S.top-1);
cout < < "OK ";
}

void Push(SqStack &S,double e)
{
if(S.top-S.base> =S.stacksize)
{
S.base=(double *)realloc(S.base,(S.stacksize+STACKINCREMENT)*sizeof(double));
if(!S.base)
exit(OVERFLOW);
S.top=S.base+S.stacksize;
S.stacksize+=STACKINCREMENT;
}
*(S.top)++=e;
cout < < "OK ";
}

double Pop(SqStack &S,double *e)
{
if(S.top==S.base)
return ERROR;
*e= * --S.top;
cout < < "OK ";
}

int flag(char ch)
{
switch(ch)
{
case '+ ': return 0; break;
case '- ': return 1; break;
case '* ': return 2; break;
case '/ ': return 3; break;
case '( ': return 4; break;
case ') ': return 5; break;
case '# ': return 6; break;
default: return 7;
}
}


char precede(char a,char b)
{
int i,j;
char ch[7][7]={{ '> ', '> ', ' < ', ' < ', ' < ', '> ', '> '},
{ '> ', '> ', ' < ', ' < ', ' < ', '> ', '> '},
{ '> ', '> ', '> ', '> ', ' < ', '> ', '> '},

{ '> ', '> ', '> ', '> ', ' < ', '> ', '> '},
{ ' < ', ' < ', ' < ', ' < ', ' < ', '= ', '0 '},
{ '> ', '> ', '> ', '> ', '0 ', '> ', '> '},
{ ' < ', ' < ', ' < ', ' < ', ' < ', '0 ', '= '}
};
i=flag(a);
j=flag(b);
cout < <ch[j];
}


void main()
{
printf( "\now we defined:s()=sin(),c()=cos(),l()=ln(),g()=lg()\n ");

SqStack OPTR,OPND;
int e;
double a,b,x,theta;
double d,f,p;
char c ;
char z[60];
int i;

InitStack(OPTR); Push(OPTR, '# ');
InitStack(OPND); c = getchar();

while(c!= '# '||GetTop(OPND,p)!= '# ')//
{
if(In(c))
{
switch(Precede(GetTop(OPTR),c))
{
case ' < ':
Push(OPTR,c);
c=getchar();
GetTop(OPTR,theta);
break;

case '= ':
Pop(OPTR,theta);
GetTop(OPTR,theta);
if(theta== 's '||theta== 'l '||theta== 'c '||theta== 'g ')
{
Pop(OPND,f);
Pop(OPTR,theta);
Push(OPND,Operate2(theta,f));
GetTop(OPTR,theta);
c=getchar();

break;
}
else
{
c=getchar();
break;
}
case '> ':
if(theta== '+ '||theta== '- '||theta== '* '||theta== '/ '||theta== '^ ')
{
Pop(OPTR,theta);
Pop(OPND,b);
Pop(OPND,a);
f=Operate1(a,theta,b);1
Push(OPND,f);
GetTop(OPTR,theta);
break;
}
else break;
}
}
else if(c> = '0 '&&c <= '9 '||c== '. ')
{
i=0;
do
{
z=c;i++;
c=getchar();
}
while((c <= '9 '&&c> = '0 ')||c== '. ');

z=0;
d=atof(z);
Push(OPND,d);
}
else
{
printf( "error\n ");
exit(ERROR);
}
}
GetTop(OPND,x);
printf( "%f ",x);
ClearStack(OPTR);
ClearStack(OPND);
printf( "\nDo you want to use it again?Yes:Y,No:N ");
scanf( "%d ",&e);
x=getchar();
}
while(e);
printf( "\nThanks for using the calulating device!!! ");
printf( "\npress any key to continue... ");
x=getchar();
x=getchar();
}


为什么以上程序在vistual studio 6.0 上编译有错，请各位大侠帮帮忙，
小弟有急用，谢谢了

[解决办法]
先从这个语句
while(c!= '# '||GetTop(OPND,p)!= '# ')//
看起，那个GetTop(OPND,p)的参数p传递的应该是一个地址，而你的调用全是值调用！
从而引起了相关的一系列错误！