/* p79

Language Turbo C 2.0
Repeated input */
#include <conio.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
main ()
{
char a;
int d, e, f;
char *p;
int *s;
int **v;
char g [80];
char *j [] = {"exe", "com", "dat", "c", "pas", "cpp"};
char m [] = "String of Letters in Different Registers.";
printf ("79.44. Press the key 'Q': ");
while (1)
{
a = getche ();
if (a == 'Q') break;
}
d = 0;
e = random (100) + 1;
printf ("\n80.45. Input number from 1 to 100: ");
do {
scanf ("%i", &f);
d++;
if (e < f) printf ("Hidden number is less. ");
if (e > f) printf ("Hidden number is big. ");
} while (e - f);
printf ("You guessed the number. The number is %i.\n", e);
printf ("You have spent for guessing %i attempts.\n", d);
printf ("85.46. Input string: ");
gets (g); gets (g);
printf ("String: '%s'.\n", g);
printf ("Input string: ");
scanf ("%s", g);
printf ("String: ");
puts (g);
printf ("95.47. Files with extension:\n");
printf ("1. exe 2. com 3. dat 4. c 5. pas 6. cpp 7. quit\n");
printf ("Your choice: ");
while (1)
{
do
a = getche ();
while (a < '1' || a > '7');
printf ("\n");
if (a == '7') break;
strcpy (g, "dir *.");
strcat (g, j [a - '1']);
system (g);
}
printf ("81.48.\n");
for (d = 0; d < 10; d++)
{
for (e = 0; e < 6; e++) printf ("%i * %i = %-4i", d, e, d * e);
printf ("\n");
}
d = 0;
printf ("94.49. String will be printed by capital letters.\n");
while (m [d]) printf ("%c", toupper (m [d++]));
p = m;
printf ("\nString will be printed by small letters.\n");
while (*p) printf ("%c", tolower (*p++));
d = 7;
s = &d;
v = &s;
printf ("\n96.50. d = %i, s = %p, v = %p.\n", d, s, v);
(*s)++;
printf ("d = %i, s = %p, v = %p.\n", d, s, v);
**v = 12;
printf ("d = %i, s = %p, v = %p.\n", d, s, v);
getch ();
printf ("\n");
}