Re: Significance of using + before function calls.

[Vamsi <krishna.vamsi@wipro.com>]

Joel M. Pareja wrote:

> The placement of '+' or '-' before the function call is performing a
> unary operator on the return value of the function.

does it server any purpose ? , unary '+'  operator will not have any 
significance effect on the return value

-Vamsi

>
> Vamsi wrote:
>
>> Hi List,
>>
>> i have seen a code snippet which starts with + symbol,
>>
>> +system("ls -l");
>>
>> what is the significance of using + symbol before system.
>>
>> i also tried using + before printf ,, like +printf("Some text"); and 
>> it is compiling and working tooo,,
>>
>> Can somebody clarify wht does that + signify??
>>
>> Thank You.
>>
>> -Vamsi
>>
>> -
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>