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Recent content by thornley
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for loop without statement
First, a for loop can have a null statement, and it can be terminated with a semicolon, so that for (si = -1; si < 0; --si) ; is legal, and basically executes --si until it is no longer true that si < 0. It is good style here to make the fact that this is a loop with... -
can i eval a string
No, there is no "eval" in C, or anything similar. C is typically compiled to an efficient stand-alone executable, and in order to have an "eval" the compiler would have to be packaged with the executable. It is possible to write a sort of interpreter in C, and if you're... -
Graphics in C
There are cross-platform graphics environments, although they are not standard C. One popular one is Qt (see http://www.trolltech.com) (no endorsement implied here; I've never used it), and there are others. If you're planning to write a commercial application, write it so that it looks like...
