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

Simply do:

#define SHIFT  1
char bla[32] = "HelloWorld";    // We reserve enough room for this example  
char *ptr = bla + 5;            // pointer to "World"    
memmove(ptr + SHIFT, ptr, strlen(ptr) + 1);  // +1 for the trailing null