题解 | #参数解析#

#include <string.h>

//fgets获取后用top+ wordlen确定参数长度,截取后给参数,最多四个参数

int main()
{

    char str[1000] = {'\0'};
    fgets(str, 1000, stdin);
    int wordlen = 0;
    char parameter[100][1000] = {'\0'};
    int top = 0;
    for (int i = 0; i < strlen(str); i++)
    {
        if(str[i]=='"'){
            
            while(str[++i]!='"'){
                wordlen++;
            }
            strncpy(parameter[top++], str + i - wordlen, wordlen);
            wordlen = 0;
            i++;
            if(str[i]==' '){}
    
        }
        else if (str[i] == ' '||str[i] == '\n')
        {
            strncpy(parameter[top++], str + i - wordlen, wordlen);
            wordlen = 0;
        }
        else
        {
            wordlen++;
        }
    }

printf("%d\n",top);
for(int i=0;i<top;i++)
printf("%s\n",parameter[i]);


    return 0;
}