Exam 10: Data Files

Data that is stored together under a common name on a storage medium other than the computer's main memory is called a ____.

When working with random access files, the ____ function returns the offset value of the next character that will be read or written.

The function prototype for ftell() is contained in stdlib.h.

If a file opened for reading does not exist, the fopen() function returns the NULL address value.

____ writes a string to a file.

The maximum number of files that can be opened at one time is defined by the system symbolic constant FOPEN_MAX.

The actual declaration of the FILE structure is contained in the ____ standard header file.

The exit() function is a systems call that passes its integer argument directly to the operating system and then terminates program operation.

Opening a file stream establishes the physical communication link between the program and the data file.

C appends the low-value hexadecimal byte ____ as the end-of-file (EOF) sentinel when a file is closed.

The file open function is called open().

The end-of-file sentinel is never counted as part of the file.

stdin and stderr frequently refer to the same device.

A physical file pointer "points to" a hardware device, such as a keyboard, screen, or printer.

Permissible file opening modes are r, w, or p, which represent reading, writing, or appending to a file.

The maximum allowable filename in current Unix versions is ____.

Notice that each file stream name, when it is declared, is preceded by a(n) ____.

The functions fgetc() and fgets() return the named constant EOF when the marker is detected.

When working with random access files, the ____ function resets the current position to the start of the file.

The statement ____ causes the string Hello World! to be printed directly at the printer.