C / C++ / MFC

lcd_i2c.clear();
  lcd_i2c.print("Index ");
  lcd_i2c.print(i);
  lcd_i2c.setCursor(0, 1);

int main()
{
    char *stringTable[] = { "string 1", "string two", "string three", NULL };

    int i, n = sizeof(stringTable) / sizeof(*stringTable);

    // n-1 since the last element causes a crash.
    for (i=0; i<n-1; i++)
        printf("(%d chars): %s\n", strlen(stringTable[i]), stringTable[i]);

    printf("-------------\n");

    // a pointer to an array of pointers
    char **curPtr = stringTable;

    do
    {
        printf("%s\n", *curPtr);    // dereference to get the ptr to the string
        curPtr++;                   // point to the next element in the array o string pointers
    } while ( *curPtr );            // quit loop when we get to our NULL pointer.
}

int main()
{
    // double array of pointers
   char *stringTable[][4] = {
                                { "string 1", "string two", "string three", NULL },
                                { "second string 1", "second string two", "second string three", NULL }
                            };

    int y;
    for (y=0; y<sizeof(stringTable)/sizeof(stringTable[0]); y++)   // y < (32/16) - 32bit code
    {
        char **curPtr = stringTable[y];
        do
        {
            printf("%s\n", *curPtr++);
        } while (*curPtr);
        printf("----\n");
    }
}

Vaclav_Sal wrote:

Problem #1 is probably how does the LCD class do the "print" and I can figure that one by myself. I do not expect this forum to be familiar with Arduino "library".

Vaclav_Sal wrote:

I am not sure what the readers problems are - my English or their inability to read.

Abdullah A._Mohamed wrote:

C++ has the many options make the system design is easier but I fare the compatibility if I used it in embedded Linux. So any advice?

CPallini wrote:

By the way, could you please delete your duplicate post?

Abdullah A._Mohamed wrote:

I fare the compatibility if I used it in embedded Linux