Preprocessors

Question 1

The C Preprocessor is not a part of the compiler, but is a separate step in the compilation process

Answer 1

True

Question 2

All preprocessor commands begin with what symbol?

Answer 2

#

Question 3

A preprocessor command must be the first nonblank character.

Answer 3

True

Question 4

define

Answer 4

Used for constants to increase readability

Question 5

include

Answer 5

Includes a particular header from another file

Question 6

undef

Answer 6

Undefines a preprocessor macro

Question 7

ifdef

Answer 7

Returns true if this macro is defined

Question 8

ifndef

Answer 8

Returns true if this macro is not defined

Question 9

if

Answer 9

Tests if a compile time condition is true

Question 10

else

Answer 10

The alternative for #if

Question 11

elif

Answer 11

else and #if in one statement

Question 12

endif

Answer 12

Ends processor conditional

Question 13

error

Answer 13

Prints error message on stderr

Question 14

pragma

Answer 14

Issues special commands to the compiler

Question 15

__DATE__

Answer 15

The current date as a character literal in “MMM DD YYYY” format

Question 16

__TIME__

Answer 16

The current time as a character literal in “HH:MM:SS” Format

Question 17

__FILE__

Answer 17

This contains the current file name as a string literal

Question 18

__LINE__

Answer 18

The contains the current line number as a decimal constant

Question 19

__STDC__

Answer 19

Defined as 1 when the compiler compiles with the ANSI standard

Question 20

\

Answer 20

The macro is normally confined to a single line, however when multiple lines are required use this operator

Question 21

#

Answer 21

Converts a macro parameter into a string constant

Question 22

##

Answer 22

It permits two separate tokens in the macro definition to be joined by a