**Question:**In which of the following declarations can the identifier x be used as a pointer to a char? (choose all that are true)1. [x] char *x;2. [ ] char x;3. [ ] char x[10];4. [ ] none of the others5. [ ] char[] = "mystring";**Explanation:**- **Option 1: char *x;** This declaration is correct for using `x` as a pointer to a `char`. The asterisk (*) indicates that `x` is a pointer.- **Option 2: char x;** This declares `x` as a character, not a pointer.- **Option 3: char x[10];** This declares `x` as an array of 10 characters, not a pointer. Although the name of the array can sometimes be used like a pointer, it is fundamentally an array type.- **Option 4: none of the others** This option is not applicable because one of the declarations does indeed allow for `x` to be a pointer to a char.- **Option 5: char[] = "mystring";** This syntax is incorrect for declaring a pointer or an array; it's incomplete for either purpose.

Answer is : char *x; x is pointer to a char. x used to store address of the character variable.…

Answered: In which of the following declarations…

In which of the following declarations can the identifier x be used as a pointer to a char? (choose all that are true) char *x; char x; O char x[10]; none of the others O char[] = "mystring";

Computer Networking: A Top-Down Approach (7th Edition)

7th Edition

ISBN:9780133594140

Author:James Kurose, Keith Ross

Publisher:James Kurose, Keith Ross

Chapter1: Computer Networks And The Internet

Section: Chapter Questions

Problem R1RQ: What is the difference between a host and an end system? List several different types of end...

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