ID : 701

Preprocessor Code

Command name	Function
#Define	To define macro.
#Undef	To cancel the macro definition defined by #Define (set to undefined).
#Include	To read a designated file.
#Pragma Encrypt	To encrypt a program code.
#If ... #Endif	To select a program code to compile according to specified conditions.
#Ifdef ... #Endif	To determine whether the designated macro is defined and select a program code to compile.
#Ifndef ... #Endif	To determine whether the designated macro is not defined and select a program code to compile.
#Warning	To output a warning at the time of compiling.
#Error	To output an error at the time of compiling.

ID : 701