`assignment-p-14_v2.c`¶

Problem Statement

Write a C program that opens its own source code file, reads its contents, and then prints the contents to the console.

Metadata¶

Property	Detail
Author	Amit Dutta amitdutta4255@gmail.com
Date	12 Dec 2025
License	MIT License (See the LICENSE file for details)
Difficulty	Beginner (index: 1 / 10)

Concepts¶

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Pointers

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Source Code¶

#include <stdio.h>

#define FILENAME "assignment-p-14_v2.c"

int main()
{
    FILE *code = NULL;
    char temp;

    code = fopen(FILENAME, "r");
    if (code == NULL)
    {
        printf("\nCould not open the source file: %s", FILENAME);
        return 1;
    }

    printf("\nReading file: %s", FILENAME);
    printf("\n========== %s ==========\n\n", FILENAME);

    while ((temp = fgetc(code)) != EOF)
    {
        printf("%c", temp);
    }

    printf("\n\n========== End of %s ==========\n", FILENAME);

    fclose(code);

    return 0;
}

Explanation¶

Explain with AI

Copy the prompt below and paste it into any AI assistant.

    You are explaining a C programming code to a beginner.

    STRICT RULES:

    - Only use the given code. Do NOT assume anything not present.

    - Do NOT add extra examples.

    - Keep explanation clear and short.

    - If something is unclear, say "Not clear from code".

    - Follow the exact format below. Do NOT change headings.

    FORMAT:

    [START]

    ## What it does

    (Explain the overall purpose in 1-2 sentences)

    ## Step-by-step

    (Explain how the code works in steps, simple language)

    ## Key Concepts

    (List concepts like loop, condition, function, etc.)

    ## Notes

    (Mention any limitations, errors, or assumptions)

    [END]

    CODE (assignment-p-14_v2.c):

    #include <stdio.h>

    #define FILENAME "assignment-p-14_v2.c"

    int main()
    {
        FILE *code = NULL;
        char temp;

        code = fopen(FILENAME, "r");
        if (code == NULL)
        {
            printf("\nCould not open the source file: %s", FILENAME);
            return 1;
        }

        printf("\nReading file: %s", FILENAME);
        printf("\n========== %s ==========\n\n", FILENAME);

        while ((temp = fgetc(code)) != EOF)
        {
            printf("%c", temp);
        }

        printf("\n\n========== End of %s ==========\n", FILENAME);

        fclose(code);

        return 0;
    }

assignment-p-14_v2.c¶