4.
#include <stdio.h>
void jolly(void);
void deny(void);
int main(void)
{
jolly();
jolly();
jolly();
deny();
return 0;
}
void jolly(void)
{
printf("For he is a jolly good fellow\n");
}
void deny(void)
{
printf("Which nobady can deny\n");
}
5.
#include <stdio.h>
void br(void);
void ic(void);
int main(void)
{
br();
printf(",");
ic();
printf("\n");
ic();
printf("\n");
br();
return 0;
}
void br(void)
{
printf("Brazil,Russia");
}
void ic(void)
{
printf("India,China");
}
6.
#include <stdio.h>
int main()
{
int toes;
toes = 10;
int toes2;
toes2 = 2*toes;
int toes_square;
toes_square = toes*toes;
printf("toes=%d,2*toes=%d,toes square=%d\n",toes,toes2,toes_square);
return 0;
}
7.
#include <stdio.h>
void smile();
int main()
{
smile();
smile();
smile();
printf("\n");
smile();
smile();
printf("\n");
smile();
return 0;
}
void smile()
{
printf("Smile!");
}
8.
#include <stdio.h>
void one_three();
void two();
int main()
{
printf("starting now:\n");
one_three();
printf("done!");
return 0;
}
void one_three()
{
printf("one\n");
two();
printf("three\n");
}
void two()
{
printf("two\n");
}