Warning: Illegal string offset 'name' in /home/prepdo6/gpl4you/discussquessub.php on line 681
A output will be
Cisco systems
isco system

Warning: Illegal string offset 'name' in /home/prepdo6/gpl4you/discussquessub.php on line 681
A the answer is
isco systemsn
sco systemsn

Warning: Illegal string offset 'name' in /home/prepdo6/gpl4you/discussquessub.php on line 681
A ther is \n
isco Systems
sco Systems

Warning: Illegal string offset 'name' in /home/prepdo6/gpl4you/discussquessub.php on line 681
A isco system

Warning: Illegal string offset 'name' in /home/prepdo6/gpl4you/discussquessub.php on line 681
A output will be not exactly as u r thinking, in printf there is no \n for new line, but its simply written %sn

output is correct : cisco system
isco system , if there would be an \n
if not then cisco syatemnisco system

Warning: Illegal string offset 'name' in /home/prepdo6/gpl4you/discussquessub.php on line 681
A Anser is :

Cisco Systems
isco Systems

*ptr plus plus means *(ptr=ptr plus 1); note : ( it's not *ptr=*ptr plus 1;)

and ptr plus plus; means ptr=ptr plus 1;

Thats why in both the cases pointer is increamented to one character forward.
note :plus symbol is not getting printed in command thats why i used "plus"

Warning: Illegal string offset 'name' in /home/prepdo6/gpl4you/discussquessub.php on line 681
A *ptr plus plus means *(ptr=ptr plus 1); note : ( it's not *ptr=*ptr plus 1;)
and ptr plus plus means ptr=ptr plus 1;

Thats why in both the cases pointer is increamented to one character forward.
note :plus symbol is not getting printed in command thats why i used "plus"

Warning: Illegal string offset 'name' in /home/prepdo6/gpl4you/discussquessub.php on line 681
A the answer is

Cisco Systems
isco Systems

Warning: Illegal string offset 'name' in /home/prepdo6/gpl4you/discussquessub.php on line 682
m isco system
sco system