Complete the statements by providing only the missing words:

$1\mathrm{.}1$ The only way to access a local variable of a calling function from the function it calls is to use a parameter.

$1\mathrm{.}2$ The only special character allowed in a variable name in $C++$ is

$1\mathrm{.}3$ A loop construct that is guaranteed to execute at least once is the loop.

$1\mathrm{.}4$ An array index in $C++$ always starts from

$1\mathrm{.}5$ Consider the statement string name $=$ "Joe Soap";

Write the if condition that will check whether the first name in the string is "Joe" or not.