Q$1$ Char type and operations

Write $C$ programs mychar. $h$ and mychar. $c,$ containing the headers and implementations of the following functions.

$/**$

Determine the type of a char character.

@param c $-$ char type value

@return $-$ O if c is a digit, $1$ if $c$ is an arithmetic operator, $2$ if $c$ is an $E$

$*/$

int mytype$($char c$)$

$\frac{?}{?}****$

Flip the case of an English character.

Cparam c $-$ char type value of ASCII code of English letter.

@return $-$ c$\text{'}$s upper$/$lower case letter if c is a lower$/$upper case English le

$*$

Convert digit character to the corresponding integer value.

Qparam c $-$ char type value of ASCII code of digit charactor.

@return $-$ its corresponding integer value if c is a digit character.

$*/$

int char$\_$to$\_$int$($char c$)$

Test your programs using provided public test main program mychar ptest.c and terminal commands shown in the following public test. The screen output should be like as shown after the test run command.

Public test

compile command: $gcc-std=c99$ mychar.c mychar$\_$ptest. c $-$o q$1$ test run command: $q1$

Test: mychar

Char ASCII MyType

$2,50,0$