Files in C

What is file handling in C?

• File handling in C is the process of working with files to perform input/output operations.

• File handling in C is the process of baking cookies

• File handling in C is the process of skydiving

• File handling in C is the process of gardening

How do you open a file in C?

• fopen()

• create()

• read()

• open()

What function is used to close a file in C?

• fdelete()

• fopen()

• fclose()

• fclose(

How can you read from a file in C?

• fopen(), fwrite(), fclose()

• open(), read(), close()

• fopen(), read(), fclose()

• fopen(), fgets() or fread()

What is the function to write to a file in C?

• fwrite()

• fput()

• fopen()

• fscan()

What is the difference between 'r' and 'w' modes when opening a file in C?

• The 'r' mode is for reading files, and the 'w' mode is for appending files.

• The 'r' mode is for reading files, and the 'w' mode is for writing files.

• The 'r' mode is for writing files, and the 'w' mode is for reading files.

• The 'r' mode is for reading and writing files, and the 'w' mode is for reading files.

How do you check if a file has been successfully opened in C?

• if (file_pointer == -1) { // File opened successfully }

• if (file_pointer != NULL) { // File opened successfully }

• if (file_pointer == NULL) { // File opened successfully }

• if (file_pointer == 0) { // File opened successfully }

What is the return type of fopen() function in C?

• FILE*

• char

• int

• void*

How do you read a single character from a file in C?

• readline(file_pointer)

• readchar(file_pointer)

• getchar(file_pointer)

• fgetc(file_pointer)

What is the significance of 'a' mode when opening a file in C?

• Altering mode

• Accelerating mode

• Adjusting mode

• Appending mode