Returns an initialized NSString object that contains a given number of characters from a given C array of UTF-16 code units.
A C array of UTF-16 code units.
The number of characters to use from characters.
If YES, the receiver releases the memory with free() when it no longer needs the data; if NO it won’t.
An initialized NSString object that contains length characters from characters. The returned object may be different from the original receiver.
If an error occurs during the creation of the string, then bytes is not freed even if flag is YES. In this case, the caller is responsible for freeing the buffer. This allows the caller to continue trying to create a string with the buffer, without having the buffer deallocated.
Returns an NSString object initialized by using a given format string as a template into which the remaining argument values are substituted according to given locale information. This method is meant to be called from within a variadic function, where the argument list will be available.