Can you help me make this C program work properly

#include

#include

#include

#include

#include

#include

#include

#include

#include

#include

volatile sig$\_$atomic$\_$t player$1\_$ready $=0$;

volatile sig$\_$atomic$\_$t player$2\_$ready $=0$;

volatile sig$\_$atomic$\_$t game$\_$over $=0$;

int player$1\_$wins $=0$;

int player$2\_$wins $=0$;

pid$\_$t pid$1,$ pid$2$;

void parentSignalHandler$($int sig$)$

$\{$

if $($sig $==$ SIGUSR$1)$

$\{$

player$1\_$ready $=1$; $//$update the players ready flag

$\}$

else if $($sig $==$ SIGUSR$2)$

$\{$

player$2\_$ready $=1$; $//$update the players ready flag

$\}$

else if $($sig $==$ SIGCHLD$)$

$\{$

wait$($NULL$)$; $//$reap the children$/$clear the process table and get rid of zombies

$\}$

else if $($sig $==$ SIGINT$)$

$\{$

kill$(0,$ SIGTERM$)$; $//$terminate the children

$\}$

$\}$

void childSignalHandler$($int sig$)\{$

if $($sig $==$ SIGUSR$1)$

$\{$

$\}//$ Player $1$ gets a hint that their guess is low

else if $($sig $==$ SIGUSR$2)$

$\{$

$\}//$ Player $1$ gets a hint that their guess is high

else if $($sig $==$ SIGINT$)$

$\{$

game$\_$over $=1$; $//$ Stop guessing and reset

$\}$

else if $($sig $==$ SIGTERM$)$

$\{$

exit$(0)$; $//$ Exit on termination

$\}$

$\}$

void chld$1()$

$\{$

struct sigaction sa;

sa$.$sa$\_$handler $=$ childSignalHandler;

sigemptyset$($&sa$.$sa$\_$mask$)$;

sa$.$sa$\_$flags $=0$;

sigaction$($SIGUSR$1,$ &sa$,$ NULL$)$;

sigaction$($SIGUSR$2,$ &sa$,$ NULL$)$;

sigaction$($SIGINT$,$ &sa$,$ NULL$)$;

sigaction$($SIGTERM$,$ &sa$,$ NULL$)$;

int min $=0$;

int max $=101$;

int guess;

int fd $=$ open$("$player$1\_$guesses.txt$",$ O$\_$RDWR $|$ O$\_$CREAT, $0644)$;

while$(1)//$loop forever game loop

$\{$

kill$($getppid$(),$ SIGUSR$2)$;

$//$loop forever guess loop

while$(1)$

$\{$

player$1\_$ready $=0$;

guess $=($min $+$ max$)/2$;

write$($fd$,$ &guess, sizeof$($int$))$;

sleep$(1)$;

kill$($getppid$(),$ SIGUSR$1)$;

while$(!$player$1\_$ready$)$

$\{$

sleep$(1)$;

$\}$

if $($sig $==$ SIGUSR$1)$

$\{$

min $=$ guess;

$\}$

else if $($sig $==$ SIGUSR$2)$

$\{$

max $=$ guess;

$\}$

else if $($sig $==$ SIGINT$)$

$\{$

break;

$\}$

$\}$

$\}$

close$($fd$)$;

exit$(0)$;

$\}$

void chld$2()$

$\{$

struct sigaction sa;

sa$.$sa$\_$handler $=$ childSignalHandler;

sigemptyset$($&sa$.$sa$\_$mask$)$;

sa$.$sa$\_$flags $=0$;

sigaction$($SIGUSR$1,$ &sa$,$ NULL$)$;

sigaction$($SIGUSR$2,$ &sa$,$ NULL$)$;

sigaction$($SIGINT$,$ &sa$,$ NULL$)$;

sigaction$($SIGTERM$,$ &sa$,$ NULL$)$;

int min $=0$;

int max $=101$;

int guess;

int fd $=$ open$("$player$2\_$guess.txt$",$ O$\_$RDWR $|$ O$\_$CREAT, $0644)$;

while $(1)$

$\{$

$//$game loop

kill$($getppid$(),$ SIGUSR$2)$;

while$(1)$

$\{$

player$2\_$ready $=0$;

guess $=$ min $+($rand$()\%($max $-$ min $+1))$;

write$($fd$,$ &guess, sizeof$($int$))$;

sleep$(1)$;

kill$($getppid$(),$ SIGUSR$2)$;

while $(!$player$2\_$ready$)$

$\{$

sleep$(1)$;

$\}$

if $($sig $==$ SIGUSR$1)$

$\{$

min $=$ guess;

$\}$

else if $($sig $==$ SIGUSR$2)$

$\{$

max $=$ guess;

$\}$

else if $($sig $==$ SIGINT$)$

$\{$

break;

$\}$

$\}$

$\}$

close$($fd$)$;

exit$(0)$;

$\}$

void parent $()$

$\{$

struct sigaction sa;

sa$.$sa$\_$handler $=$ parentSignalHandler;

sigemptyset$($&sa$.$sa$\_$mask$)$;

sa$.$sa$\_$flags $=0$;

sigaction$($SIGUSR$1,$ &sa$,$ NULL$)$;

sigaction$($SIGUSR$2,$ &sa$,$ NULL$)$;

sigaction$($SIGINT$,$ &sa$,$ NULL$)$;

sigaction$($SIGCHLD$,$ &sa$,$ NULL$)$;

int game$\_$counter $=0$;

int target;

sleep$(5)$;

$//$tell the children game is starting

kill$($pid$1,$ SIGUSR$1)$;

kill$($pid$2,$ SIGUSR$2)$;

while$($game$\_$counter $<10)$

$\{$

$//$wait on each child ready signal

while$(!($player$1\_$ready && player$2\_$ready$))$

$\{$

sleep$(1)$;

$\}$

printf$("$Game $\%$d: Player $1$ wins $=\%$d$,$ Player $2$ wins $=\%$d

$",$ game$\_$counter, player$1\_$wins, player$2\_$wins$)$;

$//$parent generates the random target

target $=1+($rand$()\%100)$;

$//$loop forever$-$referee

while$(1)$

$\{$

while $(!($player$1\_$ready && player$2\_$ready$))$

$\{$

sleep$(1)$;

$\}$

$//$open the guess files

int fd$1=$ open$("$player$1\_$guesses.txt$",$ O$\_$RDONLY$)$;

int fd$2=$ open$("$player$2\_$guesses.txt$",$ O$\_$RDONLY$)$;

int guess$1$;

int guess$2$;

read$($fd$1,$ &guess$1,$ sizeof$($int$))$;

read$($fd$2,$ &guess$2,$ sizeof$($int$))$;

close$($fd$1)$;

close$($fd$2)$;

$//$check the guesses and send the appropriate signal to each child

if$($guess$1<$ target$)$

$\{$

kill$($pid$1,$ SIGUSR$1)$;

$\}$

else if$($guess$1>$ target$)$

$\{$

kill$($pid$1,$ SIGUSR$2)$;