这个程序有一个错误，大家帮忙看下，谢谢！

#include<stdio.h>
#include<string.h>
#define MaxStackSize 100
typedef char DataType;
typedef struct
{
     DataType stack[MaxStackSize];
     int top;
}SeqStack;
#include"SeqStack.h"
void ExpIsCorrect(char exp[],int n);
void main()
{
     char a[]="(())abc{[]()}";
     char b[]="(()))abc{[]}";
     char c[]="(()()abc{[]}";
     char d[]="(())abc{[]}";
     int n1=strlen(a);
     int n2=strlen(b);
     int n3=strlen(c);
     int n4=strlen(d);
     ExpIsCorrect(a,n1);
     ExpIsCorrect(b,n2);
     ExpIsCorrect(c,n3);
     ExpIsCorrect(d,n4);
}
void ExIsCorrect(char exp[],int n)
{
     SeqStack myStack;
     int i;
     char c;
     StackInitiate(&myStack);
     for(i=0;i<n;i++)
     {
        
     {
        
         if((exp[i]=='(')||(exp[i]=='[')||(exp[i]=='{'))
             StackPush(&myStack,exp[i]);
         else if(exp[i]==')'&&StackNotEmpty(myStack)&&StackTop(myStack,&c)&&c=='(')
             StackPop(&myStack,&c);
         else if(exp[i]==')'&&StackNotEmpty(myStack)&&StackTop(myStack,&c)&&c!='(')
         {
             printf("左右括号配对次序不正确!\n");
             return;
         }
         else if(exp[i]==']'&&StackNotEmpty(myStack)&&StackTop(myStack,&c)&&c=='[')
             StackPop(&myStack,&c);
         else if(exp[i]==']'&&StackNotEmpty(myStack)&&StackTop(myStack,&c)&&c!='[')
         {
             printf("左右括号配对次序不正确!\n");
             return;
         }
         else if(exp[i]=='}'&&StackNotEmpty(myStack)&&StackTop(myStack,&c)&&c=='{')
             StackPop(&myStack,&c);
         else if(exp[i]=='}'&&StackNotEmpty(myStack)&&StackTop(myStack,&c)&&c!='{')
         {
             printf("左右括号配对次序不正确!\n");
             return;
         }
         else if(((exp[i]==')')||(exp[i]==']')||(exp[i]'}'))&&!StackNotEmpty(myStack))
         {
             printf("右括号多于左括号!\n");
             return;
         }
     }
    
     if(StackNotEmpty(myStack))
         printf("左括号多于右括号!\n");
     else
         printf("左右括号匹配正确!\n");
    
}
syntax error : missing ')' before 'constant'