In formal language theory and computer programming, string concatenation is the operation of joining character strings end-to-end.

For example, the concatenation of \"hello\" and \" world\" is \"hello world\".

Write a function in C language.

The function name isconscat_stringsthat takes achar**as a parameter and return a char*

Then in the main function we call theconscat_stringsfunction.

Assume the maximum input char number is 100.

Only accpetstdio and stdlibin this homework

Only accept pointer in this homework, no array index