#include
int main(void)
{
int a,b,c;
printf(\"Enter values of a,b,c:\");
scanf(\"%d %d %d\",a,b,c);
printf(\"\\nDescending order of the numbers entered:
In C the parameters are passed by value so you need to pass the address (or pointer). When you pass the address (or pointer) then scanf knows where it has to put the value.