BEEPS THE SPEAKER-C SOURCE CODE

/*Beeps the speaker using C program*/


#include <dos.h>
#include <stdio.h>
#include <stdlib.h>
int menu(void);

main()
{
while(1)
{
/*get selection and execute the relevant statement*/
switch(menu())
{
case 1:
{
puts("sound the speaker 1\n");
sound(2000);
sleep(2);
nosound();
break;
}
case 2:
{
puts("sound that speaker 2\n");
sound(4000);
sleep(2);
nosound();
break;
}
case 3:
{
puts("You are quitting\n");
exit(0);
break;
}
default:
{
puts("Invalid menu choice\n");
break;
}
}
}
return 0;
}
/*menu function*/
int menu(void)
{
int reply;
/*display menu options*/
puts("Enter 1 for beep 1.\n");
puts("Enter 2 for beep 2.\n");
puts("Enter 3 to quit.\n");
/*scan for user entry*/
scanf("%d", &reply);

return reply;
}

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EMPTY RECYCLE BIN USING C PROGRAM


/*Source code of C program--EMPTY RECYCLE BIN*/

#include<stdio.h>


#include<windows.h>

#include<shlobj.h>

#define WIN32_LEAN_AND_MEAN




int WINAPI WinMain (HINSTANCE hInstance, HINSTANCE hPrevInstance,
PSTR szCmdLine, int iCmdShow)
{
if(MessageBox(NULL, "Press ok to empty the Recycle Bin.", "recycler", MB_YESNO | MB_ICONINFORMATION) != IDYES)
return FALSE;
SHEmptyRecycleBin(NULL, "", 0);
return FALSE ;
}

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