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#include <windows.h>          //header file for windows
#include <stdio.h>
 
void ClearConsoleToColors(int ForgC, int BackC);
int main()
{
    ClearConsoleToColors(7,34);
    Sleep(1000);
    printf("Agan");
    return 0;
}
void ClearConsoleToColors(int ForgC, int BackC)
{
     WORD wColor = ((BackC & 0x0F) << 4) + (ForgC & 0x0F);
                   //Get the handle to the current output buffer...
     HANDLE hStdOut = GetStdHandle(STD_OUTPUT_HANDLE);
                         //This is used to reset the carat/cursor to the top left.
     COORD coord = {0, 0};
                      //A return value... indicating how many chars were written
                        //   not used but we need to capture this since it will be
                          //   written anyway (passing NULL causes an access violation).
     DWORD count;
 
                                   //This is a structure containing all of the console info
                          // it is used here to find the size of the console.
     CONSOLE_SCREEN_BUFFER_INFO csbi;
                     //Here we will set the current color
     SetConsoleTextAttribute(hStdOut, wColor);
     if(GetConsoleScreenBufferInfo(hStdOut, &csbi))
     {
                              //This fills the buffer with a given character (in this case 32=space).
          FillConsoleOutputCharacter(hStdOut, (TCHAR) 32, csbi.dwSize.X * csbi.dwSize.Y, coord, &count);
 
          FillConsoleOutputAttribute(hStdOut, csbi.wAttributes, csbi.dwSize.X * csbi.dwSize.Y, coord, &count );
                              //This will set our cursor position for the next print statement.
          SetConsoleCursorPosition(hStdOut, coord);
     }
     return 0;
}
 

prog.c:1:56: error: windows.h: No such file or directory
prog.c: In function ‘main’:
prog.c:8: warning: implicit declaration of function ‘Sleep’
prog.c: In function ‘ClearConsoleToColors’:
prog.c:14: error: ‘WORD’ undeclared (first use in this function)
prog.c:14: error: (Each undeclared identifier is reported only once
prog.c:14: error: for each function it appears in.)
prog.c:14: error: expected ‘;’ before ‘wColor’
prog.c:16: error: ‘HANDLE’ undeclared (first use in this function)
prog.c:16: error: expected ‘;’ before ‘hStdOut’
prog.c:18: error: ‘COORD’ undeclared (first use in this function)
prog.c:18: error: expected ‘;’ before ‘coord’
prog.c:22: error: ‘DWORD’ undeclared (first use in this function)
prog.c:22: error: expected ‘;’ before ‘count’
prog.c:26: error: ‘CONSOLE_SCREEN_BUFFER_INFO’ undeclared (first use in this function)
prog.c:26: error: expected ‘;’ before ‘csbi’
prog.c:28: warning: implicit declaration of function ‘SetConsoleTextAttribute’
prog.c:28: error: ‘hStdOut’ undeclared (first use in this function)
prog.c:28: error: ‘wColor’ undeclared (first use in this function)
prog.c:29: warning: implicit declaration of function ‘GetConsoleScreenBufferInfo’
prog.c:29: error: ‘csbi’ undeclared (first use in this function)
prog.c:32: warning: implicit declaration of function ‘FillConsoleOutputCharacter’
prog.c:32: error: ‘TCHAR’ undeclared (first use in this function)
prog.c:32: error: expected ‘)’ before numeric constant
prog.c:34: warning: implicit declaration of function ‘FillConsoleOutputAttribute’
prog.c:34: error: ‘coord’ undeclared (first use in this function)
prog.c:34: error: ‘count’ undeclared (first use in this function)
prog.c:36: warning: implicit declaration of function ‘SetConsoleCursorPosition’
prog.c:38: warning: ‘return’ with a value, in function returning void

Standard output is empty