程序代码：

#include <stdio.h>
#include<ctype.h>
#define M 1000
#define N 20
void beep();
void GetPassage(char str[]);
void WordSepa(char str[], char word[][M]);
int main()
{
    char str[M];
    int strC[N];
    char word[M/N][M];
    GetPassage(str);
    printf("%s\n",str);
    WordSepa(str, word);
}
void beep()
{
    printf("\07");
}
void GetPassage(char str[])
{
    char ch;
    int i=0;
    while(1)
    {
        ch=getchar();  
        if(ch=='\n')
            break;
        else if(i<M)
            str[i++]=ch;
        else
            beep();

    }
    str[i]='\0';
}
void WordSepa(char str[], char word[][M])
{
    int i=0, j = 0, k=0;
    int flag = 1;

    while(flag)            
    {
        for(; !isalpha(str[j]); j++)
            ;
        while(isalpha(str[j]))
            word[i][k++] = str[j++];
        word[i][k] = '\0';
        printf("单词 %d : %s\n", i + 1, word[i]);
        k = 0;
        ++i;
        if(str[j] == '\0')
            flag = 0;
    }
}