C strcat()

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C strcat():

String Functions are the built-in functions provided by C to operate and manipulate a string. C strcat() function concatenates two strings.

Syntax:

strcat(string1, string2)

Example:

#include<stdio.h>  
#include <string.h>  
 
void main()
{    
char str1[10] = "Hello C. ";  
char str2[20] = "Hello World.";  
strcat(str1, str2);
puts(str1);
}

Output

Hello C. Hello World.