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#include <iostream>
using namespace std;
void main()
{
 char *p,*q;
 p = "abcde";
 q = p + 3;
 *q = 't';
 cout<<p<<endl;
 cout<<q<<endl;
}
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 *q = 't';
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C/C++/VC MFC char & int study

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#include <stdio.h>
void main()
{
 int aa;
 unsigned char j1,j2;
 aa=j1=j2=0;
 aa=49;
 j1=aa;
 printf("j1=%d \n",j1);
 j2=aa;
 printf("j2=%c \n",j2);
}
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    j1 ......

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//cExample.h
#ifndef C_EXAMPLE_H
#define C_EXAMPLE_H
#ifdef __cplusplus
extern "C"
{
#endif
int add(int x, int y);
#ifdef __cplusplus
}
#endif
#endif
---------------------------------
//cExample.c
#include"cExample.h"
int add(int x, int y)
{
 return x + y;
}
----------------- ......

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