To print Hello between two lines using functions

Q:
---------
hello
---------





#include
#include

int printline(int);
void main()
{
int n,i;
clrscr();
scanf("%d",&n);
printline(n);
printf("\nhello\n");
printline(n);
getch();
}
int printline(int n)
{
int i;
for(i=0;i<=n;i++) { printf("_"); } return n; }