C Program to print contents of file

fopen() is used to open and fclose() is used to close a file in C

#include <stdio.h>
#include <stdlib.h> // For exit()

int main()
    FILE *fptr;

    char filename[100], c;

    printf("Enter the filename to open \n");
    scanf("%s", filename);

    // Open file
    fptr = fopen(filename, "r");
    if (fptr == NULL)
        printf("Cannot open file \n");

    // Read contents from file
    c = fgetc(fptr);
    while (c != EOF)
        printf ("%c", c);
        c = fgetc(fptr);

    return 0;


Enter the filename to open
/*Contents of a.txt*/

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