[struct] expected constructor, destructor, or type conversion before '*' token

Projects Programming
1

I have search laster topic, but them not help me.
my program error when I insert this code to program:

KhoiGach *taokhoiGach(int id){}

error: doan.ino:13: error: expected constructor, destructor, or type conversion before '*' token

#include <PCD8544.h>
#include <Adafruit_GFX.h>
#include <Adafruit_PCD8544.h>
#include <MatrixMath.h>

Adafruit_PCD8544 display = Adafruit_PCD8544(7, 6, 5, 4, 3);
#define PIN_SCE   7 //<== this is line 13 (doan.ino:13)
#define PIN_RESET 6
#define PIN_DC    5
#define PIN_SDIN  4
#define PIN_SCLK  3

typedef struct{
	int **arr;
	int Row,Col;
	int iBoard,jBoard;
}KhoiGach;
KhoiGach *taokhoiGach(int id){}

void setup() {}
void loop() {}

I using IDE Arduino 1.5.6-r2, and with vs 1.0.5-r2 I have this error too.

2

The short answer:

Put this function declaration below the KhoiGach struct but before the function definition.

KhoiGach *taokhoiGach(int id);

Long answer ( my FAQ, it is about a function parameter, but affects a return value the same ):
http://arduino.land/FAQ/content/2/13/en/my-class_reference-won_t-work-in-the-sketch.html

3

pYro_65:
The short answer:

Put this function declaration below the KhoiGach struct but before the function definition.

KhoiGach *taokhoiGach(int id);

Long answer ( my FAQ, it is about a function parameter, but affects a return value the same ):
http://arduino.land/FAQ/content/2/13/en/my-class_reference-won_t-work-in-the-sketch.html

oh. I think it like C++ :slight_smile:
wow. thank you very much.