effects

precedence and associativity

argument types

result types

user-definable?

assignment or expression statement?

declarations and statements mixed?

compound (sequence of statements)

block (compound plus declarations)

variations on goto

break , continue , goto , computed goto , return

subroutine call

optional part

if

two alternatives

if else

many alternatives

case

decision table

COBOL

for error recovery

on error begin ... end

dependent on precondition

dependent on postcondition

dependent on condition anywhere

loop ... exitif ... end

dependent on range

for ...

range definitions?

termination

break

continuation

continue

macros

#define

actions

procedure sort ...

values

function sqrt: double ...

statement level

x and y

procedure level

program level

Unix fork()

synchronization

wait and notify