What is the purpose of the feof() function in C?*1 pointTo check if the end-of-file has been reachedTo write to a fileTo open a fileTo read a file character by character

What does fp point to in the program ? #include<stdio.h> int main() { FILE *fp; fp=fopen("trial", "r"); return 0; } ans. The first character in the file A structure that contains a char pointer that points to the first character of a file. The name of the file. The last character in the file.

What will be the output of the following code?   #include <stdio.h>   int main() {       FILE *file = fopen("test.txt", "w");       fputs("Line 1\nLine 2", file);       fclose(file);       file = fopen("test.txt", "r");       char buffer[50];       while (fgets(buffer, sizeof(buffer), file)) {           printf("%s", buffer);       }       fclose(file);       return 0;   }Question 4AnswerA.Line 1 Line 2B.Line 1Line 2C.Compilation errorD.Runtime error

Which of the following correctly reads a string from a file in C?*1 pointfscanf(file, "%s", str)fprintf(file, "%s", str)fread(file, "%s", str)fput(file, "%s", str)

What is the purpose of "rb" in fopen() function used below in the code? FILE *fp; fp = fopen("source.txt", "rb"); ans. open "source.txt" in binary mode for reading Create a new file "source.txt" for reading and writing open "source.txt" in binary mode for reading and writing None of above

In C language, which of the following functions are applied to write data to a file?Select one:a.fputs, puts, fprintf, fscanfb.None of the others.c.fgetchar, fputchar, freadchard.fprintf, fputc, fputs