The character representing EOF is (A) [Ctrl-d] for UNIX and [Ctrl-z] for MSDOS, (B) the same for MSDOS and UNIX, (C) [Ctrl-z] for UNIX and [Ctrl-d] for MSDOS, (D) [Ctrl-z] for both systems. For...

The character representing EOF is (A) [Ctrl-d] for UNIX and [Ctrl-z] for MSDOS, (B) the same for

MSDOS and UNIX, (C) [Ctrl-z] for UNIX and [Ctrl-d] for MSDOS, (D) [Ctrl-z] for both systems.

For converting a UNIX fi le to MSDOS/Windows format, the LF character must be (A) replaced

with CF, (B) succeeded by CR, (C) preceded by CR, (D) succeeded by another LF.

The scanf function returns (A) the number of characters read, (B) the number of items successfully

read, (C) 1 on success, (D) none of these.