[flac-dev] [PATCH] "iff" instead of "if" in comments

[Timothy B. Terriberry]

lvqcl wrote:
> I noticed that there are several comments with "iff" word
> instead of "if", and it looks like typos to me. The patch is attached.

"Iff" is commonly-used shorthand for the mathematical "if and only if", 
e.g., "returns true iff stat() succeeds for both files and they have the 
same device and inode" means it *won't* return true unless all of those 
conditions are satisfied.