C Program to compare two strings using built in functions

Program

#include<stdio.h>
void main()
{
	char str_one[20], str_two[20];
	printf("Enter string one:\t");
	scanf(" %s", str_one);
	printf("Enter string two:\t");
	scanf(" %s", str_two);
	if(strcmp(str_one, str_two))
		printf("Strings are not equal\n");
	else
		printf("Strings are equal\n");
}

Output 1

Enter string one:	america
Enter string two:	america
Strings are equal

Output 2

Enter string one:	mexico
Enter string two:	canada
Strings are not equal