concatenate char array in C

Question

I have a a char array:

char* name = \"hello\";

I want to add an extension to that name to make it

hello.txt

Answer 1

You can concatenate strings by using the sprintf() function. In your case, for example:

char file[80];
sprintf(file,"%s%s",name,extension);

And you'll end having the concatenated string in "file".