scanf.c

c21Examples.rar

/* Demonstrates some uses of scanf(). */

#include <stdio.h>



int main( void )
{
    int i1;
    int i2;
    long l1;

    double d1;
    char buf1[80];
    char buf2[80];

    /* Using the l modifier to enter long integers and doubles.*/

    puts("Enter an integer and a floating point number.");
    scanf("%ld %lf", &l1, &d1);
    printf("\nYou entered %ld and %lf.\n",l1, d1);
    puts("The scanf() format string used the l modifier to store");
    puts("your input in a type long and a type double.\n");

    fflush(stdin);

    /* Use field width to split input. */

    puts("Enter a 5 digit integer (for example, 54321).");
    scanf("%2d%3d", &i1, &i2);

    printf("\nYou entered %d and %d.\n", i1, i2);
    puts("Note how the field width specifier in the scanf() format");
    puts("string split your input into two values.\n");

    fflush(stdin);

    /* Using an excluded space to split a line of input into */
    /* two strings at the space. */

    puts("Enter your first and last names separated by a space.");
    scanf("%[^ ]%s", buf1, buf2);
    printf("\nYour first name is %s\n", buf1);
    printf("Your last name is %s\n", buf2);
    puts("Note how [^ ] in the scanf() format string, by excluding");
    puts("the space character, caused the input to be split.");

    return 0;
}