说明指定字段宽度时scanf()的工作原理。

#include <stdio.h>
int main(void)
{
    char name1[11], name2[11];
    int count;

    printf("Please enter 2 names./n");
    count = scanf("%5s %10s",name1, name2);
    printf("I read the %d names %s and %s./n", count, name1, name2);

    return 0;
}