Cstring.h-strcmp()
Cstring.h-strcmp()
The built-in library function strcmp() is listed in the header file "string.h".The two strings are compared via strcmp(). Lexicographically speaking, this refers to comparing characters one at a time beginning with the first character until both strings of characters have the same length or a NULL character is met.
SYNTAX
The following is the syntax of strcmp() function:-
int strcmp(string leftStr, string rightStr );
PARAMETER
It takes two string as arguments and compares the string according to lexicographical order.
OUTPUT
It returns a positive value if first string is higher the lexicographical order, return zero if they are same and negative value if the first string is lower in the lexicographical order
CODE
// Use of strcmp() in C++
#include <iostream>
#include <cstring>
#include <string>
using namespace std;
int main()
{
char s1[] = "string1";
char s2[] = "string2";
int c=strcmp(s1,s2);
cout<<" \n Difference between strings are = "<<c<<endl;
return 0;
}
OUTPUT
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