#include <iostream>
using std::cout;
using std::endl;
Int main()
{
char string1[10], *string2 = "Hello",
string3[10], *string4 = "GoodBye",
* tmp;
// string 2 string 1,
for (int i=0; (string1[i]= string2[i])!= '\0'; ++i) ;
cout<<"string1:"<<string1<<endl;
// string4 string3,
tmp=string3; // tmp, .. string3++
for (; (*tmp = *string4)!= '\0'; tmp++, string4++) ;
cout<<"string3:"<<string3<<endl;
system("pause");
return 0;
}
3_4_3.
#include <cstring>
#include <iostream>
using std::endl;
using std::cout;
Int main()
{ // strtok
// -
char str[] = " 5 ";
char *tkPtr; //
tkPtr = strtok (str, " ");
while (tkPtr!= NULL) {
cout<<tkPtr<<endl;
tkPtr=strtok(NULL, " ");
}
system("pause");
return 0;
}
. . 3.1. a , x.
3.1
.
a x. f x 1, ++.
3_5_1.
1
# include < iostream >
using std::cout;
using std::endl;
void swap _ values (int * a, int * b) // -
{
int temp =* a; //
*a=*b;
*b=temp;
}
Int main()
{
int x =10, y =20;
swap _ values (& x, & y); // &,
//
cout << x <<" "<< y << endl; // : 20 10
system("pause");
return 0;
}
2
#include <iostream>
using std::cout;
using std::endl;
void swap _ values (int & a, int & b) // -
|
|
|
{
int temp = a; //
a=b;
b=temp;
}
Int main()
{
int x =10, y =20;
swap _ values (x, y); // &
cout << x <<" "<< y << endl; // : 20 10
system("pause");
return 0;
}
, . , , . , . .
