#include<stdio.h>char *my_strncpy(char *dest,char *src,int n){     int i;     for(i=0;i<n && src[i]!=‘\0‘;i++)          dest[i] = src[i];     for(;i<n;i++)          dest[i] = ‘\0‘;     return dest;}char *my_strncpy1(char *dest,const   char   *src,int   n){   int i=0;   char *ret=dest;   while(*src != ‘\0 ‘ && i <n)    {       *dest++ = *src++;       i++;     }   return  ret;  }