Beginners question about arrays/strings

Lets say I have a string of characters, and I want to cut out the nth character.

Eg I want to turn 'world' into 'word' or 'wrld'

How do I do this?

I have tried saying that if blah[x] == blah[x+1], then do a loop which then proceeds to do blah[x]=blah[x+1] until x==n(when n is the number of letters in the word + 1). Unfortunately, despite trying this with both for and while loops i had no sucess.

Thanks for any advice

Here's one way.

Code:

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  char a[] = "world"; 
  char b[80] = "";
 
  strncpy(b, a, 3);
  strcat(b, a+4);
  printf("%s\n", b);

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What about taking a look at memmove()