string class function memchr c example

string class function memchr c example
Di Posting Oleh : Simple Learning
Kategori : memchr string string-class

In string class memchr() function helps us to find a byte within a specific memory block. It takes three parameters memchr(buffer, char, size); and returns pointer to first occurrence where char is found else it returns NULL.



Buffer: Memory block in which a byte to be searched
char: Character to search in buffer
size: Size of buffer.

C++ source code: Compiler used CodeBlocks

#include<iostream>
#include<string.h>
#include<stdio.h>
using namespace std;
int
main ()
{

char
buffer[] = "I like c++ programming";
cout<<"We have this string -> \n";
puts(buffer);
char
key;
char
*result;
cout<<"Enter a character to search in string: ";
cin>>key;
cout<<endl;

result = (char*)memchr(buffer, key, strlen(buffer));

if
(result!=NULL)
cout<<key<<" is found at index number: "<<(result-buffer) ;
else

cout<<" NOT FOUND";

cout<<endl;
return
0;
}



Input output code


program output
string class function memchr c++ example





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