Database System Concepts
Database System Concepts
7th Edition
ISBN: 9780078022159
Author: Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher: McGraw-Hill Education
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Implement in C Programming please

**Task: Replace Alphabetic Characters with Underscores in a 2-Character String**

**Problem Statement:**
Replace any alphabetic character with '_' in a 2-character string `passCode`. For instance, if `passCode` is '9a', the output should be '9_'.

**Hint:**
Use two `if` statements to check each of the two characters in the string, using `isalpha()`.

**Learn how our autograder works**

**Provided Code:**

```c
#include <stdio.h>
#include <string.h>
#include <ctype.h>

int main(void) {
    char passCode[3];

    scanf("%s", passCode);
    
    /* Your solution goes here */

    printf("%s\n", passCode);
    return 0;
}
```

**Instructions for Completing the Code:**
1. Include the necessary header files for input/output operations, string manipulation, and character type checking.
2. Create an array of characters `passCode` of size 3.
3. Use `scanf` to input the 2-character string into `passCode`.
4. Insert your solution where indicated to replace any alphabetic character with '_'.
5. Use the `isalpha()` function from `ctype.h` to check if a character is alphabetic.
6. Print the modified string using `printf`.

**Run Button:**
There is a 'Run' button provided to execute the code.

**Feedback Option:**
A 'Feedback?' link is available to provide or receive feedback about the exercise.
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Transcribed Image Text:**Task: Replace Alphabetic Characters with Underscores in a 2-Character String** **Problem Statement:** Replace any alphabetic character with '_' in a 2-character string `passCode`. For instance, if `passCode` is '9a', the output should be '9_'. **Hint:** Use two `if` statements to check each of the two characters in the string, using `isalpha()`. **Learn how our autograder works** **Provided Code:** ```c #include <stdio.h> #include <string.h> #include <ctype.h> int main(void) { char passCode[3]; scanf("%s", passCode); /* Your solution goes here */ printf("%s\n", passCode); return 0; } ``` **Instructions for Completing the Code:** 1. Include the necessary header files for input/output operations, string manipulation, and character type checking. 2. Create an array of characters `passCode` of size 3. 3. Use `scanf` to input the 2-character string into `passCode`. 4. Insert your solution where indicated to replace any alphabetic character with '_'. 5. Use the `isalpha()` function from `ctype.h` to check if a character is alphabetic. 6. Print the modified string using `printf`. **Run Button:** There is a 'Run' button provided to execute the code. **Feedback Option:** A 'Feedback?' link is available to provide or receive feedback about the exercise.
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