write a c code using onlinegdb.com, and the following code that I started please help me get the required output. Please show proof of SCREENSHOTS of the OUTPUT working!

#include

#include

#include

#include

#include

volatile int largest$\_$prime $=2$;

volatile int quit$\_$flag $=0$;

$//$ Function to check if a number is prime

int is$\_$prime$($int num$)\{$

if $($num return $0$;

if $($num return $1$;

if $($num $\%2==0||$ num $\%3==0)$ return $0$;

for $($int i $=5$; i $*$ i num; i $+=6)\{$

if $($num $\%$ i $==0||$ num $\%($i $+2)==0)$ return $0$;

$\}$

return $1$;

$\}$

$//$ Signal handler for SIGINT

void handle$\_$sigint$($int sig$)\{$

printf$("$

$\%$d Quit $[$y$/$n$]?",$ largest$\_$prime$)$;

char choice;

struct termios oldt, newt;

tcgetattr$($STDIN$\_$FILENO, &oldt$)$;

newt $=$ oldt;

newt.c$\_$lflag &$=$ ~$($ICANON $|$ ECHO$)$;

tcsetattr$($STDIN$\_$FILENO, TCSANOW, &newt$)$;

choice $=$ getchar$()$;

tcsetattr$($STDIN$\_$FILENO, TCSANOW, &oldt$)$;

if $($choice $==\text{'}$y$\text{'}||$ choice $==\text{'}$Y$\text{'})\{$

quit$\_$flag $=1$;

$\}$

$\}$

$//$ Main function

int main$()\{$

signal$($SIGINT$,$ handle$\_$sigint$)$;

int num $=2$;

while $(!$quit$\_$flag$)\{$

if $($is$\_$prime$($num$))\{$

largest$\_$prime $=$ num;

$\}$

num$++$;

$\}$

printf$("$

$")$;

return $0$;

$\}$