#define in C Language
O LEVEL -PAPER 3rD -- M3-R4
C LANGUAGE
define in C
The #define directive define directive defines an identifier and a character sequence ( a set of characters ) that will be substituted for the identifier each time it is encountered in the source file.
Syntax
The identifier is referred to as a macro name and the replacement process as macro replacement.
#define macro-name cha-sequence
Example -
#define PI 3.14
#define msg "hello"
We can write both number as well as character or string with help of #define.
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