Question

How to compare two strings with the same length in C

Answer 1

#include <stdio.h>
#include <string.h>
  
int main ()
{
	char s1[] = "c programming";
	char s2[] = "c programming";;
	
	if (memcmp(s1, s2, strlen(s1)) == 0) {
		puts("Equal");
	}
	else {
		puts("Not Equal");
	}

	return 0;
}




/*
run:

Equal

*/

 

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Answer 2

#include <stdio.h>
#include <string.h>
  
int main ()
{
	char s1[] = "c programming";
	char s2[] = "C programming";;
	
	int r = memcmp(s1, s2, strlen(s1));
	
	if (r > 0) {
		puts("s1 > s2\n");
	} else if(r < 0) {
		puts("s1 < s2\n");
	} else {
		printf("s1 == s2\n");
	}

	return 0;
}




/*
run:

s1 > s2

*/

 

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