c define ## code example
Example 1: what is mean of define in c language
#define is a C preprocessor directive used to define macros. ... The preprocessor directives are used to provide general instruction or required data which is used inside a program. A macro is a block of code which has been given a name. Any occurance of that name is replaced by the value of the macro.
Example 2: define in c
#define CNAME value
Example 3: c define
#define SIZE 42
#define MSG "Hello, World!"