这是题目原文：

这是错误信息：

代码如下：

/*    14.5    */
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <ctype.h>
#define CSIZE 4

struct name
{
    char * first;
    char * last;
};

struct student
{
    struct name name;
    double grade[3];
    double average;
};

int main (void)
{
    struct student student[CSIZE];
    int count;    /*    结构体计数    */
    int count_ch;    /*    字符计数    */
    int count_grd;    /*    分数计数    */
    char ch;
    double sum[CSIZE];

    for (count = 0; count < CSIZE; count++)
    {
        count_ch = 0;
        sum[CSIZE] = 0;
        printf ("Please enter the first name:");
        while (ch = getchar () && isalpha (ch))
        {
            ungetc (ch, stdin);
            count_ch++;
        }
        student[count].name.first = (char *) calloc (count_ch + 1, sizeof (char));
        gets (student[count].name.first);    /*    从输入流中获取字符    */
        fflush (stdin);
        count_ch = 0;
        printf ("Please enter the last name:");
        while (ch = getchar () && isalpha (ch))
        {
            ungetc (ch, stdin);
            count_ch++;
        }
        student[count].name.last = (char *) calloc (count_ch + 1, sizeof (char));
        gets (student[count].name.last);    /*    从输入流中获取字符    */
        fflush (stdin);
        for (count_grd = 0; count_grd < 3; count_grd++)
        {
            printf ("Please enter the %dth grade:", count_grd + 1);
            scanf ("%lf", student[count].grade[count_grd]);
            sum[CSIZE] += student[count].grade[count_grd];
        }
        student[count].average = sum[CSIZE] / 3;
    }
    for (count = 0; count < CSIZE; count++)
    {
        printf ("Name: ");
        puts (student[count].name.first);
        putchar (' ');
        puts (student[count].name.last);
        putchar ('\n');
        printf ("printf Grade: ");
        for (count_grd = 0; count_grd < 3; count_grd++)
            printf ("%g ", student[count].grade[count_grd]);
        putchar ('\n');
        printf ("Avearage: %g\n\n", student[count].average);
    }
    printf ("The average of the whole class is %g\n", (sum[0] + sum[1] + sum[2]) / 3);

    return 0;
}

[ 本帖最后由 DarylL 于 2013-5-1 08:47 编辑 ]

嗯。。好像是遗漏了。然后上面提示的那个错误是怎么回事呢？

1>f:\c_source\c6\c6\c6.cpp(36): warning C4789: 内存复制的目标太小
1>f:\c_source\c6\c6\c6.cpp(60): warning C4789: 内存复制的目标太小
这两个错错误我调试的时候都没有提示，然后貌似复制过去的行数不大对，是不是那两个calloc所在的行？