读入姓氏，并检查用户名是否以P和Q之间的字母开

#include <stdio.h>
int main()
{
    char name[25];

    printf("What is your last name? ");
    printf("(Please cAPItalize the first letter!)\n");
    scanf(" %s", name);

    if ((name[0] >= 'P') && (name[0] <= 'S'))
    {
        printf("between p and q");
    }
    else
    {
        printf("not.\n");
    }

    return 0;
}