join two strings

strings.c

#include <stdio.h> 
#include <string.h>

int main()
{
	char a[100], b[100];

	printf("Enter the first string\n");
	gets(a);

	printf("Enter the second string\n");
	gets(b);

	strcat(a, b);
	printf("String obtained on concatenation is %s\n", a);
	return 0;
}