Nesting #if

/* 2304.c: Nesting #if */
#include <stdio.h>

/* macro definitions */
#define ZERO 0
#define ONE 1
#define TWO (ONE + ONE)
#define THREE (ONE + TWO)
#define TEST_1 ONE
#define TEST_2 TWO
#define TEST_3 THREE
#define MAX_NUM THREE
#define NO_ERROR ZERO
/* function declaration */
void StrPrint(char **ptr_s, int max);
/* the main() function */
main(void)
{
    char *str[MAX_NUM] = {"The choice of a point of view",
    "is the initial act of culture.",
    "--- by O. Gasset"};

    #if TEST_1 == 1
        #if TEST_2 == 2
            #if TEST_3 == 3
                StrPrint(str, MAX_NUM);
            #else
                StrPrint(str, MAX_NUM - ONE);
            #endif
        #else
            StrPrint(str, MAX_NUM - TWO);
        #endif
    #else
        printf("No TEST macro has been set.\n");
    #endif

    return NO_ERROR;
}
/* function definition */
void StrPrint(char **ptr_s, int max)
{
    int i;

    for (i=0; i<max; i++)
    printf("Content: %s\n",ptr_s[i]);
}