C Programming
What will be the output of the program ?#include#includevoid main(){ char str1[20] = "Hello", str2[20] = " World"; printf("%s", strcpy(str2, strcat(str1, str2)));}

Hello
None of these
WorldHello
Hello World
World

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C Programming
String concatenation means -

Partitioning the string into two strings.
Merging two strings.
Extracting a substring out of a string.
Combining two strings.
Comparing the two strings to define the larger one.

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