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strcmp - lexicographically compares two strings in C

//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   


int main(void){
    char s[80];

    printf("Enter password: ");
    if(strcmp(s, "pass")) {
      printf("Invalid Password\n");
      return 0;
    return 1;

Enter password: 34
Invalid Password