fixup! renaming, commenting stuffs

sys-programming/dev-driver/test-driver.c

@@ -12,7 +12,7 @@ int main(){
    int ret, fd;
    char stringToSend[BUFFER_LENGTH];
    printf("Starting device test code example...\n");
-   fd = open("/dev/rdchardrv", O_RDWR);             // Open the device with read/write access
+   fd = open("/dev/rdcdevdr", O_RDWR);             // Open the device with read/write access
    if (fd < 0){
       perror("Failed to open the device...");
       return errno;