#include<stdlib.h>

#include<stdio.h>

#define BUFFER_SIZE 256

int main(){

	FILE *stream;

	char buffer[BUFFER_SIZE];//缓冲区

	char *line_return;//记录每次返回值（行）

	int line_count = 0;//记录行数

	char tmp_itemName[32];//临时存放文件中的每行的项目名称

	int itemReceive;//存放每一个网卡的接受到的字节总数（单位：Byte）

	int itemTransmit;//存放每一个网卡的已发送的字节总数（单位：Byte）

	system("cat /proc/net/dev");

	printf("**************************************************************************************************************");

	stream = fopen("/proc/net/dev", "r");

	line_return = fgets (buffer, BUFFER_SIZE * sizeof(char), stream);//读取第一行

	line_count++;

	printf("\n[MAIN] line %d: %s\n", line_count, line_return);//输出第一行

	line_return = fgets (buffer, BUFFER_SIZE * sizeof(char), stream);//读取第二行

	line_count++;

	printf("\n[MAIN] line %d: %s\n", line_count, line_return);//输出第二行

	printf("**************************************************************************************************************");

	while(line_return != NULL){

		line_return = fgets (buffer, BUFFER_SIZE * sizeof(char), stream);

		line_count++;

		printf("\n[MAIN] line %d: %s", line_count, line_return);

		sscanf(	buffer,

			"%s%d%d%d%d%d%d%d%d%d",

			tmp_itemName,

			&itemReceive,

			&itemTransmit,

			&itemTransmit,

			&itemTransmit,

			&itemTransmit,

			&itemTransmit,

			&itemTransmit,

			&itemTransmit,

			&itemTransmit);

		printf("line %d:itemReceive: %d\n", line_count, itemReceive);

		printf("line %d:itemTransmit: %d\n\n", line_count, itemTransmit);

	}	

	return 0;

}