Functions and Headers

Question 1

arguments, return values, and function prototypes are all parts of a blank

Answer 1

function

Question 2

multiple source files, the C preprocessor, include guards all require blank

Answer 2

headers

Question 3

blank are named units of code that can be called upon to perform a task

Answer 3

functions

Question 4

examples of functions include

Answer 4

getline( )
swap( )
strlen( ) 
pow( ) 
replace ( ) 
sort ( ) 
toupper( )

Question 5

sometimes functions are called from an object such as .size( ) from a vector or string
these are member functions also called

Answer 5

methods
some other methods are 
.begin( )
.end( )  
.open( ) 
.close( ) 
.second( ) 
.first( )

Question 6

to call a function, we supply it with the information that it needs, called blank

Answer 6

arguments

for example, pow( ) needs two arguments: base and exponent

Question 7

blank supplied by listing them in order, separated by commas, in the parentheses after the function’s name

Answer 7

arguments

Question 8

functions have the following general form

Answer 8

return_type function_name(argument_type 1 argument_name 1, ...)
{
  //code body;
}

Question 9

the blank is any valid data type such as int or string

Answer 9

return type

Question 10

the function’s blank follows the same rules as variable’s blank

Answer 10

name(s)

Question 11

the blank is a comma-separated list of type and variable names

Answer 11

arguments list

Question 12

a blank is a value handed back from a function to be used where the function was called

Answer 12

return value

Question 13

a function call is effectively replaced by its blank

Answer 13

return value

Question 14

cout &laquo_space;repeat_string(“Hello! “,5);

What does this mean?

Answer 14

cout &laquo_space;“Hello! Hello! Hello! Hello! Hello! “;

Question 15

functions make code blank

Answer 15

reusable
more organized
more readable

Question 16

what happens if you put the other functions in your program below main instead of above main?

Answer 16

the program won’t compile because main( ) can’t see the other functions

Question 17

blank has to be declared above where we use it

Answer 17

a variable or a function

Question 18

to have the ability to place functions below main( ) and still have main( ) recognize them, use blank above the main( ) functions

Answer 18

function prototypes

Question 19

vector common_letters(string a, string b):

What is common_letters’s return type and what does it accept as arguments?

Answer 19

return type: vector of char

arguments: two strings

Question 20

having multiple source files helps keep your programs blank

Answer 20

clean and easy to read

Question 21

it is important to prototype functions in blank source files, because functions might call each other

Answer 21

all

Question 22

blank uses the .hpp extension instead of the .cpp extension

Answer 22

header files