strcmp Function

It lexicographically compares two strings .

It returns an integer based on the outcome:

< 0 for str1 is less than str2
0 for str1 is equal to str2
> 0 for str1 is greater than str2

Syntax:

  int strcmp(const char *str1, const char *str2);

Example:

#include <stdio.h>

#include <string.h>



int main(){

    char s[80]="passss";

    printf("Enter password: ");

    if(strcmp(s, "pass")) {

      printf("Invalid Password\n");

      return 0;

    }

    }

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