Question

Create a C program that will read from a file the first line of the file, and print that line to standard output., using buffers The file may have multiple lines, but only print the first. Use secure coding

Answer 1

#include <stdio.h>
int main() {
    char buffer[1000];
    char fileName[20];
    FILE *fptr;
    printf("Enter file name: ");
    scanf("%s",&fileName);
    if ((fptr = fopen(fileName, "r")) == NULL) {
        printf("Error! opening file");
        return 0;
    }
    // reads text until newline
    fscanf(fptr, "%[^\n]", buffer);
    printf("First line in the file is:\n%s", buffer);
    fclose(fptr);
    return 0;
}