Associate
The ‘C’ programming language was originally developed for and implemented on the UNIX operating system, on a DEC PDP-11 by Dennis Ritchie. One of the best features of C is that it is not tied to any particular hardware or system.
I just took a look at the following:
http://saturnboy.com/2011/03/objective-c-good-bad-ugly/
That makes objective C sound pretty poor, compared with Java, .NET, C++.
I guess Apple have got programmers over a barrel.
double ctok( double c )
{
return ( c + 273.15 );
}