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- /* Demonstration of printf(). */
-
- #include <stdio.h>
-
- char *m1 = "Binary";
- char *m2 = "Decimal";
- char *m3 = "Octal";
- char *m4 = "Hexadecimal";
-
- main()
- {
-
- /* The terminating ; was left off the next statement */
- /* in the book listing! */
-
- float d1 = 10000.123;
- int n, f;
-
-
- puts("Outputting a number with different field widths.\n");
-
- printf("%5f\n", d1);
- printf("%10f\n", d1);
- printf("%15f\n", d1);
- printf("%20f\n", d1);
- printf("%25f\n", d1);
-
- getch();
-
- puts("\nUse the * field width specifier to obtain field width");
- puts("from a variable in the argument list.\n");
-
- for (n=5; n <=25; n+=5)
- printf("%*f\n", n, d1);
-
- getch();
-
- puts("\nInclude leading zeros.\n");
-
- printf("%05f\n", d1);
- printf("%010f\n", d1);
- printf("%015f\n", d1);
- printf("%020f\n", d1);
- printf("%025f\n", d1);
-
- getch();
-
- puts("Display in octal, decimal, and hexadecimal.");
- puts("Use # to precede octal and hex output with 0 and 0X.");
- puts("Use - to left justify each value in its field.");
- puts("First display column labels.\n");
-
- printf("%-15s%-15s%-15s", m1, m2, m3, m4);
-
- for (n = 1; n < 20; n++)
- printf("\n%-15d%-#15o%-#15X", n, n, n, n);
-
- getch();
-
- puts("\n\nUse the %n conversion command to count characters.\n");
-
- printf("%s%s%s%s%n", m1, m2, m3, m4, &n);
-
- printf("\n\nThe last printf() output %d characters.", n);
-
- getch();
- }
-