1 #include <stdio.h> 2  3 int main(void) 4 { 5     int a = 99; 6     float b = 9.9; 7     char c[] = "hello"; 8  9     printf("*%010d*\n", a);10     printf("*%10.3d*\n", a);11     printf("*%-10.3d*\n", a);12     printf("*%010.3d*\n", a);13     printf("*%-010.3d*\n", a);14     printf("------------\n");15     printf("*%010f*\n", b);16     printf("*%10.3f*\n", b);17     printf("*%-10.3f*\n", b);18     printf("*%010.3f*\n", b);19     printf("*%-010.3f*\n", b);20     printf("------------\n");21     printf("*%010s*\n", c);22     printf("*%10.3s*\n", c);23     printf("*%-10.3s*\n", c);24     printf("*%010.3s*\n", c);25     printf("*%-010.3s*\n", c);26 27     return 0;28 }