lib_archdontneed.c

开发工具用EMBEST IDE进行开发,该程序是一个S3C44B0直接驱动网卡的程序,包括8019初始化,物理层收包发包,UDP的接收和发送,IP的发送和接收.已及ARM的地址解板,整个程序是自顶而下

#include "def.h"

unsigned short htons(unsigned short n)
{
  return ((n & 0xff) << 8) | ((n & 0xff00) >> 8);
}
/*-----------------------------------------------------------------------------------*/
unsigned short ntohs(unsigned short n)
{
  return htons(n);
}
/*-----------------------------------------------------------------------------------*/

unsigned long htonl(unsigned long n)
{
  return ((n & 0xff) << 24) |
    ((n & 0xff00) << 8) |
    ((n & 0xff0000) >> 8) |
    ((n & 0xff000000) >> 24);
}

/*-----------------------------------------------------------------------------------*/
unsigned long ntohl(unsigned long n)
{
  return htonl(n);
}
/*-----------------------------------------------------------------------------------*/