Question: Explain the change you made Explain the minimum minimum number of distinct values needed for the preprocessor macros. Exercise 1: Simple C program We will
Exercise 1: Simple C program We will see an example of preprocessor macro definitions. The way macros work is that before a C file is compiled, all macro constant names are replaced exactly with the value they refer to. In the scope of this exercise, we will be using macro definitions exclusively as global constants. Here we define CONSTANT_NAME to refer to literal_value (an integer literal). Note that there is only a space separating name from value. #define CONSTANT_NAME literal_value Now look at the simple.c code. Notice the four different examples of basic C control flow. First compile and run the program and see what it does. Play around with the constant values of the four macros: Vo through V3. See how changing each one changes the program output. Try to get the following output from your program: $ gcc -o simple simple.c $ /simple Simple C program Exercise 1: Simple C program We will see an example of preprocessor macro definitions. The way macros work is that before a C file is compiled, all macro constant names are replaced exactly with the value they refer to. In the scope of this exercise, we will be using macro definitions exclusively as global constants. Here we define CONSTANT_NAME to refer to literal_value (an integer literal). Note that there is only a space separating name from value. #define CONSTANT_NAME literal_value Now look at the simple.c code. Notice the four different examples of basic C control flow. First compile and run the program and see what it does. Play around with the constant values of the four macros: Vo through V3. See how changing each one changes the program output. Try to get the following output from your program: $ gcc -o simple simple.c $ /simple Simple C program
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