CDefine[def] is a symbolic representation of a preprocessor define.
CExpression[arg] is a symbolic representation of code that will format using CForm[arg].
CIf
(SymbolicC Package Symbol) CIf[test, trueArg, falseArg] is a symbolic representation of a conditional statement. CIf[test, trueArg] only has a branch if test is true.
CPointerMember[obj, mem] is a symbolic representation of access from a pointer to a struct.
CPointerType[type] is a symbolic representation of a type that is a pointer to a type.
CStandardMathOperator[oper, args] is a symbolic representation of a standard math operator.
CSwitch[cond, statements] is a symbolic representation of a switch statement.
CTypedef[type, var] is a symbolic representation of a type declaration.
ShowGraph[g] displays the graph g. ShowGraph[g, Directed] is obsolete and it is currently identical to ShowGraph[g].
StirlingSecond[n, k] returns the Stirling number of the second kind.