C examples for Data Type:char
Exercise printf() for field width, Hexadecimal, Octal, Decimal, Binary numbers
#include <stdio.h> int main( void ) { float d1 = 10000.123; int n, f;// ww w. jav a 2 s .co m char *m1 = "Binary"; char *m2 = "Decimal"; char *m3 = "Octal"; char *m4 = "Hexadecimal"; 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); fflush(stdin); 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); puts("\n Press Enter to continue..."); fflush(stdin); getchar(); 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); fflush(stdin); puts("\nDisplay 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."); printf("%-15s%-15s%-15s", m2, m3, m4); for (n = 1;n< 20; n++) printf("\n%-15d%-#15o%-#15X", n, n, n); fflush(stdin); 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", n); return 0; }