字符串链接strcat

1 #include "stdafx.h"
 2 #include "iostream"
 3 #include "assert.h"
 4 #include "string"
 5 
 6 using namespace std;
 7 
 8 char* mystrcat(char* dest, const char* src)
 9 {
10     assert(dest!=NULL && src!=NULL);
11     char* p = dest;
12     while (*p!='\0') 
13         p++;
14     while (*p++ = *src++);
15     *p = '\0';
16     return dest;
17 }
18 
19 int main(int argc, char* argv[])
20 {
21     printf("Hello World!\n");
22     char buf[10] = "FU ";
23     char test[4] = "CK!";
24     mystrcat(buf, test);
25     cout << buf << endl;
26     return 0;
27 }

输出：

Hello World!

FU CK!

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