C/string.h/strcmp

strcmp: lexicographically compares two strings

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//Declaration: int strcmp(const char *str1, const char *str2); //Return: returns an integer based on the outcome:

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

1. include<stdio.h>
2. include<string.h>

int main(void){

   char s[80];
   printf("Enter password: ");
   gets(s);
   if(strcmp(s, "pass")) {
     printf("Invalid Password\n");
     return 0;
   }
   return 1;

}

/* Enter password: 34 Invalid Password

• /

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