20210907

#include <stdio.h>

//int main(int argc, char **argv)
int main(int argc, char *argv[])
{
    for(int i = 0; i < argc; i++){
        printf("%dth O: %s\n", i+1, *(argv + i));
    }

    int iArry[] = {1, 4, 5, 8, 3, 2};
    int size = sizeof(iArry)/sizeof(int);
    for(int i = 0; i < size; i++){
        //printf("%d\t", iArry[i]);    
        printf("%d\t", i[iArry]);    
    }
    printf("\n");

    int *ptrArry = iArry;
    for(int i = 0; i < size; i++){
        //printf("%d\t", *(ptrArry + i));    
        printf("%d\t", *(i + ptrArry));    
    }
    printf("\n");

    return 10;
}

#include <stdio.h>
#include <stdbool.h>
#include <string.h>
#include <stdlib.h>

//#define DataType int
//
#define Size 10

typedef int DataType;

/*struct _stu{
    int id;
    bool sex;
    char name[Size];
};*/

typedef struct _stu{
    int id;
    bool sex;
    char name[Size];
} Student;

//void outStu(struct _stu stu){
void outStu(Student stu){
    printf("%s info: id-%d sex-%d", stu.name, stu.id, stu.sex);
}

int main(int argc, char **argv)
{
    //struct _stu stu1;
    /*Student stu1;
    stu1.id = 100;
    stu1.sex = 0;
    strcpy(stu1.name, "zhangsan");*/

    Student *ptrStu = (Student *)malloc(sizeof(Student));
    /*(*ptrStu).id = 100;
    (*ptrStu).sex = 0;
    strcpy((*ptrStu).name, "zhangsan");*/
    ptrStu->id = 100;
    ptrStu->sex = 0;
    strcpy(ptrStu->name, "zhangsan");
    DataType var1 = 3;
    printf("%d\n", var1);

    outStu(*ptrStu);

    return 0;
}

代码简单，请同学们自行练习