How to go to the previous line in a C code

Question

If for the following code:

printf(\"HEllo\\n\");    // do not change this line.
printf(\"\\b\\bworld\");

I need an output: Helloworld (In a

Answer 1

Remove "\n" from your first printf. It moves the cursor to a new line.

Here is the list of escape sequences.

If you can't remove "\n", then you can do make a copy of a substring without these charaters. See the following example:

  const char* from = "12345678";
  char *to = (char*) malloc(6);
  strncpy(to, from+2, 5);

All you need is to determine the index of "\n" characters.