1.char*constp;charconst*pconstchar*pconstchar*p;//和charconst*p2.charstr1="abc";charstr2="abc";constcharstr3="abc";constcharstr4="abc";constchar*str5="abc";constchar*str6="abc";char*str7="abc";char*str8="abc";cout<<(str1==str2)<<endl;cout<<(str3==str4)<<endl;cout<<(str5==str6)<<endl;cout<<(str7==str8)<<endl;for(size_ti=0;iif('a'<=str[i]&&str[i]<='z')charstr="aBcDe";cout<<"str字符長度為:"<<sizeof(str)/sizeof(str[0])<<cout<<str<<endl;4.maininta[5]={1,2,3,4,5};int*ptr=(int*)(&a+1);printf("%d,%d",*(a+1),*(ptr-1));*(a+1)就是a[1]，*(ptr-1)就是a[4],執行結果是2，5int*ptr=(int*)(&a+1);intmainchar*str=&a;strcpy(str,"hello");printf(str);return0;2.char*s="AAA";printf("%s",s);s[0]='B';printf("%s",s);cosntchar*s="AAA";inta=248;b=4;intconstc=21;constint*d=&a;int*conste=&b;intconst*fconst=&a;*c=32;d=&b;*d=43;e=34;e=&a;f=0x321f;const*fconst=&a;禁止5.#include#includevoidgetmemory(char*p)p=(char*)malloc(100);strcpy(p,"helloworld");intmain()char*str=NULL;getmemory(str);printf("%s/n",str);return0;博主：getmemory中p是形參，是一個指針變量，6charszstr[10];strcpy(szstr,"0123456789″);int*)0×100000=1234;答案：*((void(*)())0×100000)();(void(*))0×100000*((void(*))0×100000);typedefvoid(*)voidFuncPtr;*((voidFuncPtr)0×100000);voidGetMemory(charp,intnum)intmainchar*str=NULL;strcpy(str,"hello");if(str!=NULL)strcpy(str,"world");printf("\nstris%s",str);軟件開發網#include"stdio.h"#include"string.h"voidmainprintf("%d",strlen(aa));#include#include#include#include#include#includetypedefstructAAvoidmainstrcpy(cc,"0123456789abcdefghijklmnopqrstuvwxyz");memcpy(&aa,cc,sizeof(AA));cout<<aa.b1<cout<<aa.b2<