The program shown in Figure $4\mathrm{.}23$ uses the Pthreads API. What would be the autput from the program at LINE C and LINE P$?$

finclude

#include

int value $=0$;

void runner $($void param$)$; $/*$ the thread $*/$ ant sain $($int arge, char $*$argv$])$

padt pid; pthread.t tid; pthread attrt attr;

pid $=$ fork;

if $($pid $=0)\{/*$ child process $*/$

pthread attrinit $($dattr$)$;

tread create tid, attr, runner, NULL$)$ ; pthread join $($tid$,$ NULL$)$;

prints $($CHTLD: value $=",$ value$)$; $/*$ LINE C $/$ else if $($pid $0)\backslash /$ parent process $*/$

sait $($NULL$)$ ;

printi $("$PARENT: value $=\%$d$"$

$,$ value$)$; $/*$ LINE P $*/$

void runner $($void $*$param$)$