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#include <iostream> using
namespace std; char
* strcpy ( char
*strDest, const
char *strSrc) { if
( strDest == NULL || strSrc == NULL) return
NULL ; if
( strDest == strSrc) return
strDest ; char
*tempptr = strDest ; while ((*strDest++ = *strSrc++) != ‘\0‘ ); return
tempptr ; } int
main() { char
strA[20]= "ABCDEFGHIJKLMNOPQRS" ; char * strB= "how are you ?" ; int
length= strlen ( strcpy (strA,strB)); //int lh=strlen(strncpy(strA,strB,sizeof(strA))); //printf("%s",strA); cout<<length<<endl; /*cout<<lh<<endl;*/ //char a[30] = "string(1)"; //char b[] = "string(2)"; //printf("before strncpy() : %s\n", a); //printf("after strncpy() : %s\n", strncpy(a, b, 8)); while (1); return
0; } |
原文:http://www.cnblogs.com/wuyuankun/p/3684718.html