HP C A.06.05 Reference Manual

Syntax Summary
Lexical Grammar
Appendix A 265
Identifiers
identifier ::= nondigit
identifier nondigit
identifier digit
identifier dollar-sign
nondigit ::= any character from the set:
_abcdefghijklmnop
qrstuvwxyzABCDEFG
HIJKLMNOPQRSTUVWX
YZ
digit ::= any character from the set:
0123456789
dollar-sign ::= the $ character
Constants
constant ::=
floating-constant
integer-constant
enumeration-constant
character-constant
floating-constant ::=
fractional-constant [exponent-part] [floating-suffix]
digit-sequence exponent-part [floating-suffix]
fractional-constant ::=
[digit-sequence] . digit-sequence
digit-sequence .
exponent-part ::=
e [sign] digit-sequence
E [sign] digit-sequence
sign ::=
+
-