C macros

Macros in c

A macro is defined at the top of your program.
for eg: #define PI 3.14
Now whenever you write PI in your program 'PI' is replaced by 3.14
Actually this replacement is done by the preprocessor before the source code is compiled.

C macros

/* 
Every time the program encounters circleArea(argument),
it is replaced by (3.1415*(argument)*(argument)).
*/
#define circleArea(r) (3.1415*(r)*(r))

Source: programiz.com

Similar codes

2 votes153 views10 answers
Lol
C
0 vote159 views1 answer
Arduino dont working dc motor
C
1 vote150 views1 answer
C absolute value of integer
C
1 vote153 views2 answers
Slack wordpress
C
7 votes152 views2 answers
Jpg to png converter
C
3 votes154 views1 answer
C printing char pointer
C
0 vote162 views1 answer
Logical Operator in C language
C
0 vote150 views1 answer
C static
C
0 vote190 views1 answer
Epita
C
18 votes209 views3 answers
Read file c
C