[cfe-dev] global variable named index

[Richard Pennington]

Chris Lattner wrote:
> 
> On Oct 11, 2009, at 8:55 PM, Vasudev.Negi at microchip.com 
> <mailto:Vasudev.Negi at microchip.com> wrote:
> 
>> If I have a global variable named index, clang-cc throws an error 
>> saying redefinition of index as different kind of symbol. Why can’t I 
>> have a variable named index?
>>  
> 
> 'index' is the name of a function defined by the C standard library. 
>  Try 'man index' on the command line.
> 

'index' was originally defined in BSD unix. It evolved into 'strchr'.
It is not part of the C standard library, nor is it a part of POSIX 
(since POSIX.1-2008).

According to the Linux man page, it is defined in "strings.h".

-Rich