I receive the following error:
1>main.obj : error LNK2019: unresolved external symbol "void __cdecl
setup(void)" (?setup@@YAXXZ) referenced in function _main 1>main.obj :
error LNK2019: unresolved external symbol "void __cdecl display(void)"
(?display@@YAXXZ) referenced in function _main
1>C:\code\Project1\Debug\Project1.exe : fatal error LNK1120: 2
unresolved externals
How do i resolve this?
Here is the main class, where the functions are used:
#include "interface.h"
using namespace std;
int main(){
setup();
display();
system("pause");
return 0;
}
Here is interface.cpp
#include
#include
#include "interface.h"
using namespace std;
class ui{
void setup(){
options[0][0]="Hello";
options[1][0]="Hello";
options[2][0]="Hello";
options[3][0]="Hello";
options[4][0]="Hello";
options[5][0]="Hello";
options[6][0]="Hello";
options[7][0]="Hello";
options[8][0]="Hello";
options[9][0]="Hello";
}
void changeOption(int whatOption, string whatText,
string prop1, string prop2, string prop3, string prop4, string prop5){
options[whatOption][0]=whatText;
options[whatOption][1]=prop1;
options[whatOption][2]=prop2;
options[whatOption][3]=prop3;
options[whatOption][4]=prop4;
options[whatOption][5]=prop5;
}
void display(){
for(int x=0;x<9;x++){
cout< }
}
};
and here is interface.h
#include
//#include
using namespace std;
#ifndef INTERFACE_H_INCLUDED
#define INTERFACE_H_INCLUDED
void setup();
extern string options[10][6];
void changeOption(int whatOption, string whatText, string prop1, string prop2, string prop3, string prop4, string prop5);
void display();
#endif INTERFACE_H
Answer
You declare these as global functions.
However, your implementation defines them inside of class ui{
.
You can remove the class ui{
and matching closing parenthesis and it should work correctly.
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