Inserting characters in the middle of char array

Question

I have a char array filled with some characters. Let\'s say I have \"HelloWorld\" in my char array. (not string. taking up index of 0 to 9)

What I\'m trying to do is ins

Answer 1

You need to start the inner loop from strlen(ch) + 1, not strlen(ch) - 1, because you need to move the NULL-terminator to the right one place as well. Remember that strlen returns the length of the string such that string[strlen(string)] == '\0'; you can think of strlen as a function for obtaining the index of the NULL-terminator of a C-string.