Question
Which of the following correctly declare 3 integer pointers? Int 'p1, p2, p3; all of these int' \( p 1, p 2, p 3 ; \) int 'p1, 'p2, 'p3;
Ask by Phillips Medina. in the United States
Jan 21,2025
Real Tutor Solution
Tutor-Verified Answer
Answer
To declare three integer pointers correctly in C, use the asterisk (`*`) before each pointer variable. The correct declaration is:
```c
int *p1, *p2, *p3;
```
Solution
To declare three integer pointers correctly in C, you should use the asterisk (`*`) symbol before each pointer variable. This ensures that each variable is treated as a pointer to an integer.
Given your options, the correct declaration is:
```c
int *p1, *p2, *p3;
```
**Explanation of the Options:**
1. **`Int 'p1, p2, p3;`**
- **Incorrect:**
- Uses a capitalized `Int` instead of `int`.
- Uses `'` instead of `*`, which is not the correct pointer symbol in C.
2. **`all of these`**
- **Incorrect:** Not all the provided options are correct.
3. **`int' \( p 1, p 2, p 3 ; \)`**
- **Incorrect:**
- Syntax errors due to misplaced symbols like `'` and `\(`.
- Doesn't correctly use the pointer notation.
4. **`int 'p1, 'p2, 'p3;`**
- **Incorrect Interpretation:**
- If `'` is intended to represent `*`, then it should be `*` instead of `'`.
- Proper syntax uses `*` without quotes.
**Correct Declaration:**
```c
int *p1, *p2, *p3;
```
This line correctly declares `p1`, `p2`, and `p3` as pointers to integers.
Reviewed and approved by the UpStudy tutoring team
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Simplify this solution Beyond the Answer
In C, to declare integer pointers, you want to use the following syntax: `int *p1, *p2, *p3;`. This means that each variable `p1`, `p2`, and `p3` will point to an integer. It’s important to place the asterisk (*) directly in front of the pointer variable names to indicate that they are pointers, not just integers. Common mistakes when declaring multiple pointers include forgetting to use the asterisk for each pointer or incorrectly placing single quotes or spaces. Always remember that the asterisk signifies a pointer and should be clearly associated with the variable names to avoid confusion. Happy coding!
