Shell Shell

Naming Rules for Identifiers


Naming Rules

1. Identifiers may only include the following characters: letters ('a'..'z', 'A'..'Z'), digits ('0'..'9') and underscores ('_'). C is case sensitive, so seaside, SeaSide and SEASIDE are distinct identifiers.

2. The first character must not be a digit.

3. The identifier must not be one of C's 32 keywords.



     auto        break       case        char 
     const       continue    default     do 
     double      else        enum        extern 
     float       for         goto        if 
     int         long        register    return 
     short       signed      sizeof      static 
     struct      switch      typedef     union 
     unsigned    void        volatile    while

David C. Hamill