c/c++ string
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Example1:
char
*strcpy(char *target, const char *source) {
char *t = target;
// Copy the contents of source into target.
while(*source) *target++ = *source++;
// Null-terminate the
target.
*target = '\0';
// Return pointer to the
start of target.
return t;
}
Example2:
void
*memmove(void *target, const void *source, size_t count)
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/*
*
=====================================================================================
*
* Filename: 2-1.cpp
*
*
Description: Fundamental Operations in C Type String
*
*
Version: 1.0
* Created: 05/11/2010 10:43:11 AM
*
Revision: none
* Compiler: gcc
*
*
Author: gnuhpc (http://blog.csdn.net/gnuhpc)
,
warmbupt@gmail.com
* Company: IBM CDL
*
*
=====================================================================================
*/
#include
#include
using namespace std;
int main(int argc, char *argv[])
{
char strA[7]="UP";
char strB[5]="DOWN";
char strC[5]="LEFT";
char strD[6]="RIGHT";
/*Display */
cout << "Here are the strings: " <<
endl;
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int change(int x,int y)
{
int temp=x;
x=y;
y=temp;
}
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int change(int *p,int *q)
{
int temp=*p;
*p=*q;
*q=temp;
}
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int change(int &x,int &y)
{
int temp=x;
x=y;
y=temp;
}
JAV ......
#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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