Long description

The 11 lines of code for figure (a) are as follow

main open close parenthesis

open curly bracket

int ellipsis semicolon

init open close parenthesis semicolon

do underscore something open close parenthesis semicolon

read open parenthesis ellipsis close parenthesis semicolon

do underscore something underscore else open close parenthesis semicolon

write open parenthesis ellipsis close parenthesis semicolon

keep underscore going open close parenthesis semicolon

exit open parenthesis 0 close parenthesis semicolon

close curly bracket

The 12 lines of code for figure (b) are as follow

main open close parenthesis

open curly bracket

mess underscore t msg semicolon

init open close parenthesis semicolon

while open parenthesis get underscore message open parenthesis ampersand msg close parenthesis close parenthesis open curly bracket

switch open parenthesis msg dot type close parenthesis open curly bracket

case 1 colon

case 2 colon ellipsis

case 3 colon dot

close curly bracket