C语言库strncpy()函数

#include <stdio.h>
#include <string.h>

int main () {
   char src[40];
   char dest[12];

   memset(dest, '\0', sizeof(dest));
   strcpy(src, This is jb51.cc.com);
   strncpy(dest, src, 10);

   printf(Final copied string : %s\n, dest);

   return(0);
}