Define constant in Macro
#include <stdio.h> #include <assert.h> #define ROW_Constant 10 #define COL_Constant 10 int main() { int row, col; for ( row = 1; row <= ROW_Constant; row++) { assert ( row <= ROW_Constant ); for ( col = 1; col <= COL_Constant; col++ ) { assert ( col <= COL_Constant ); printf ( "%4d", row * col ); } printf ( "\n" ); } }