Define macro: constant : Macro Constant « Macro Preprocessor « C / ANSI-C

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C / ANSI-C » Macro Preprocessor » Macro Constant Screenshots  Define macro: constant /* Define macro */ #include <stdio.h> #define  PI 3.14159f                  /* Definition of the symbol PI */ void main() {    float radius = 0.0f;    float diameter = 2.0f;    float circumference = 0.0f;    float area = 0.0f;    radius = diameter/2.0f;    circumference = 2.0f*PI*radius;    area = PI*radius*radius;    printf("\nThe circumference is %.2f", circumference);    printf("\nThe area is %.2f", area); }                     Related examples in the same category 1. Use Macro 2. Define Macro: TRUE and FAlSE 3. Define constant in Macro for loop control 4. Define constant in Macro 5. Define Macro and use it as the loop condition 6. Define macro inside the main function 7. Define macro for string and output 8. Define marco based calculation 9. Define header file name in macro