How this works?


 
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# 15  
Old 09-01-2010
Thanks for the link, not a bug but a typical gnu style feature .
# 16  
Old 09-02-2010
Size of fork

But while checking the size of the fork its giving 1. Why?
Smilie
# 17  
Old 09-02-2010
Bug

Quote:
Originally Posted by pludi
fork in this case is not a variable. It's a pointer of type void to the entry address of the fork() function in the C library. Basically, you could "rename" the fork call by doing
Code:
__pid_t (*foo)() = fork;

and later calling foo instead of fork.

Also, if you'd have compiled with warnings enabled, or read them, you'd have seen something like this:
Code:
warning: the address of ‘fork' will never be NULL


But when i check the size of fork its giving 1. If it is pointer how it could be

---------- Post updated at 09:58 AM ---------- Previous update was at 09:55 AM ----------

Thank you guys !!!!!!!!!!!!.
# 18  
Old 09-02-2010
Quote:
Originally Posted by carolsanjeevi
But when i check the size of fork its giving 1. If it is pointer how it could be
It's not always a pointer. If you took the address of it with & it would always be a pointer.
# 19  
Old 09-24-2010
Editing this, hold on.
This User Gave Thanks to Jakob For This Post:
# 20  
Old 09-27-2010
Thanks

If i have less programming sense,what to call the people who has replied to my post?.Learn how to behave in a public forum.Respect others.It just to help the peopleSmilie
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