// ptrSimbAndFunc.cpp : main project file.
#include "stdafx.h"
#include<stdlib.h>
#include<stdio.h>
#include<conio.h>
#include<malloc.h>
#include<string.h>
#include<tchar.h>
using namespace System;
#define eof -1
#define maxline 1000
int getline(char s[], int lim)
{
int i,c;
for(i=0; i<lim-1 && (c=getchar())!=eof && c!='\n'; i++)
s[i]=c;
s[i]='\0';
return i++;
}
void strcpy1(char s[], char t[])
{
int i=0;
while((t[i]=s[i])!='\0')
i++;
}
void strcpy2(char *s, char *t)
{
while((*t=*s)!='\0')
{
s++;
t++;
}
}
char* strsave(char *s)
{
char *p;
int i=strlen(s)+1;
p= (char*) malloc(i);
if((p!=NULL))
strcpy2(p,s);
return p;
}
int main()
{
printf("Enter string for strcpy1 >");
char s[maxline], t[maxline];
getline(s,maxline);
strcpy1(s,t);
printf("inp.string=%s\nout.string=%s\n",s,t);
printf("Enter string for strcpy2 >");
getline(s,maxline);
strcpy2(&s[0],&t[0]);
printf("inp.string=%s\nout.string=%s\n",s,t);
printf("Enter string for strsave >");
getline(s,maxline);
char*p=strsave(&s[0]);
printf("Saved string=%s\n",p);
_getch();
} |
