Match the C language command with the meaning.

$-$

while

$-$

if

$-$

for

$-$

&

$-$

$\{$

$-$

$==$

$-$

$!$

$-$

$*$

a$.$

The keyword for a conditional control statement.

b$.$

Not operator.

c$.$

The keyword for an iterative control statement.

d$.$

Test for equality operator.

e$.$

Sometimes used as the address of operator.

f$.$

Begin.

g$.$

The keyword for the start of a selection control statement.

h$.$

Sometimes used as the value of operator.