source code
/*************************************************** * Copyright: 2023, 黄子涵. * File name: huangzihan_c_program_142 * Description: 改变指针的值 * Author: 黄子涵 * Version: V1.0.0 * Date: 2023-01-08 * ****************************************************/#include<stdio.h>char huangzihan[10];char huangchunqin[12];char chenlanying[12];char shejiazi[8];void name_input();void name_output();void name_output_n();void name_input(){ int i; printf("*********************************\n"); printf(" 给字符数组输入对应的名字 \n"); printf("*********************************\n"); printf("请输入黄子涵的小写拼音："); for(i=0;i<10;i++) { scanf("%c",&huangzihan[i]); if(huangzihan[i]==10) { huangzihan[i]='\0'; break; } } getchar(); printf("请输入黄春钦的小写拼音："); for(i=0;i<12;i++) { scanf("%c",&huangchunqin[i]); if(huangchunqin[i]==10) { huangchunqin[i]='\0'; break; } } getchar(); printf("请输入陈兰英的小写拼音："); for(i=0;i<11;i++) { scanf("%c",&chenlanying[i]); if(chenlanying[i]==10) { chenlanying[i]='\0'; break; } } getchar(); printf("请输入佘佳梓的小写拼音："); for(i=0;i<8;i++) { scanf("%c",&shejiazi[i]); if(shejiazi[i]==10) { shejiazi[i]='\0'; break; } } printf("\n");}void name_output(){ char *p1,*p2,*p3,*p4; printf("*********************************\n"); printf(" 将字符数组对应的名字输出 \n"); printf("*********************************\n"); printf("输出huangzihan："); p1=huangzihan; printf("%s",p1); printf("\n"); printf("输出huangchunqin："); p2=huangchunqin; printf("%s",p2); printf("\n"); printf("输出chenlanying："); p3=chenlanying; printf("%s",p3); printf("\n"); printf("输出shejiazi："); p4=shejiazi; printf("%s",p4); printf("\n"); }void name_output_n(){ int i; char *p; printf("\n"); printf("*********************************\n"); printf(" 改变指针的值 \n"); printf("*********************************\n"); printf("你要从第几个字符输出huangzihan（共10个字符）？"); scanf("%d",&i); p=huangzihan+i-1; printf("这是你要输出的字符串：%s",p); printf("\n"); printf("你要从第几个字符输出huangchunqin（共12个字符）？"); scanf("%d",&i); p=huangchunqin+i-1; printf("这是你要输出的字符串：%s",p); printf("\n"); printf("你要从第几个输出chenlanying（共11个字符）？"); scanf("%d",&i); p=chenlanying+i-1; printf("这是你要输出的字符串：%s",p); printf("\n"); printf("你要从第几个输出shejiazi（共8个字符）？"); scanf("%d",&i); p=shejiazi+i-1; printf("这是你要输出的字符串：%s",p); printf("\n");}int main(){ extern char huangzihan[10]; extern char huangchunqin[12]; extern char chenlanying[12]; extern char shejiazi[8]; name_input(); name_output(); name_output_n(); return 0;}At first, I thought it was the problem of not adding the end tag of the string, but I added the end tag of the string and found it didn't work.Add code as follows：
if(shejiazi[i]==10) { shejiazi[i]='\0'; break; }I want to output results
输出huangzihan：huangzihan输出huangchunqin：huangchunqin输出chenlanying：chenlanying输出shejiazi：shejiazi