before the lexical analysis

before the recognition of escape characters in strings

both before the lexical analysis & before the recognition of escape characters in strings

during the intermediate code generation phase

printf

main

IF

none of above

0 represents a false condition

non-zero value represents a false condition

1 represents a false condition

anything that is not 1 represents a false condition

static_const

pragma

volatile

immutable

the data type

the scope

the scope and permanence

the scope, permanence and data type