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Description: linux 下串口编程
#include <stdio.h> /*标准输入输出定义*/
#include <stdlib.h> /*标准函数库定义*/
#include <unistd.h> /*Unix标准函数定义*/
#include <sys/types.h> /**/
#include <sys/stat.h> /**/
#include <fcntl.h> /*文件控制定义*/
#include <termios.h> /*PPSIX终端控制定义*/
#include <errno.h> /*错误号定义*/
/***@brief 设置串口通信速率
*@param fd 类型 int 打开串口的文件句柄
*@param speed 类型 int 串口速度
*@return void*/
Platform: |
Size: 5289 |
Author: Edward |
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Description: ::软件简介::
一个基于文本的PHP网站流量多用户统计系统，极容易调试，有四种显示方式，COOL!
主要功能及特色: (加**的地方为特色功能)：
+ 基于PHP+文本,多用户,防止刷新,速度快,适用广泛
+ * 提供本年度详细统计,时段统计,访客详情统计(包括referer数据和基于IP的地理位置信
息),访客pageview统计,客户端软件统计等等
+ * 可设置是否打开多用户申请
+ * 可设置是否防止刷新(切换基于访客人数和基于流览量的统计)
+ * 简洁存储方式,每个用户占用空间不超过4K
+ * 智能化的安装向导及用户申请向导
+ * 方便完善的管理员/用户后台程序支持
+ * 批量及逐个数据数据备份/恢复功能
+ 使用javascript代码调用统计程序
+ 可识别包括WinXP,MacOS,UNIX/LINUX/BSD,Opera,NetCaptor等多种软件
+ 自建函数支持数据柱状图显示,不需GD绘图库
+ 精致的统计界面和多种统计图标显示方案供选择
+ 程序算法优化,程序及输出代码规范化
+ 提供最新IP数据包-: : Software Introduction : : a text-based PHP Web traffic statistics multi-user system, it is easy debugging, there are four shows, COOL! the main functions and characteristics : (** increases for the local features) : Based on PHP version, multi-user, to prevent high speed, wide applicability* provide detailed statistics this year, time statistics, visitors details of Statistics (including referer data and IP-based geographic information), visitors pageview statistics, Statistics client software, etc.* can be set on whether to open up multi-user applications* settings to prevent refresh (switch-based visitors who Based on the number and volume of flow in relation to the Statistics)* concise storage, each user occupy a space no more than 4K* intelligent installation wizard applicatio
Platform: |
Size: 263168 |
Author: yi |
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Description: 本程序通过系统调用stat读出文件大小属性，并显示输出。
linux文件系统调用
编译命令：cc dir.c
运行命令：./a.out-This procedure stat through the system call to read out the file size attribute, and display output. linux file system commands invoke the compiler: cc dir.c run the command:./a.out
Platform: |
Size: 2048 |
Author: qiufengy |
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Description: linux 下串口编程
#include <stdio.h> /*标准输入输出定义*/
#include <stdlib.h> /*标准函数库定义*/
#include <unistd.h> /*Unix标准函数定义*/
#include <sys/types.h> /**/
#include <sys/stat.h> /**/
#include <fcntl.h> /*文件控制定义*/
#include <termios.h> /*PPSIX终端控制定义*/
#include <errno.h> /*错误号定义*/
/***@brief 设置串口通信速率
*@param fd 类型 int 打开串口的文件句柄
*@param speed 类型 int 串口速度
*@return void*/
-linux serial port programming under# include
Platform: |
Size: 5120 |
Author: Edward |
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Description: include <stdio.h> /*标准输入输出定义*/
#include <stdlib.h> /*标准函数库定义*/
#include <unistd.h> /*Unix标准函数定义*/
#include <sys/types.h> /**/
#include <sys/stat.h> /**/
#include <fcntl.h> /*文件控制定义*/
#include <termios.h> /*PPSIX终端控制定义*/
#include <errno.h> /*错误号定义*/
#define TRUE 1
#define FALSE 0
/***@brief 设置串口通信速率
*@-include <stdio.h>/* Standard input and output definitions* /# include <stdlib.h>/* Standard function library definition* /# include <unistd.h>/* Unix standard function definition* /# include <sys/types.h>/** /# Include <sys/stat.h>/** /# Include <fcntl.h>/* File control definition* /# include <termios.h>/* PPSIX terminal control definitions* /# include <errno.h>/* Error number definitions* /# define TRUE 1# define FALSE 0 /***brief set of serial communication rate* @
Platform: |
Size: 9216 |
Author: nameblue |
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Description: 用C语言编写的Unix代码实例 供大家参考 -#include <sys/sem.h>
#include <sys/types.h>
#include <sys/ipc.h>
#include <stdio.h>
#include <sys/stat.h>
#define VERIFYERR(a, b) if (a) fprintf(stderr, " s failed.\n", b) else fprintf(stderr, " s success.\n", b)
void main(int argc, char*argv[])
{
int semid, index, i
struct semid_ds ds
unsigned short array[100]
if (argc != 4) return
semid = atoi(argv[1])
index = atoi(argv[2])
if (argv[3][0] == c )
{ /* 创建信号量*/
VERIFYERR(semget(semid, index, 0666|IPC_CREAT|IPC_EXCL) < 0, "Create sem")
}
else if (argv[3][0] == d )
{ /* 删除消息队列*/
VERIFYERR(semctl(semid, 0, IPC_RMID, NULL) < 0, "Delete sem")
}
else if (argv[3][0] == v )
{ /* 查看信号量信息*/
fprintf(stderr, "T ID INDEX SEMVAL SEMPID SEMNCNT SEMZCNT\n")
fprintf(stderr, "s 6d 6d 10d 10d 10d 10d\n",
semid, /* 标识号*/
index, /* 信号量序号*/
semctl(semid, index, GETVAL), /* 信号量值*/
semct > Downloads > 源码/资料
Platform: |
Size: 150528 |
Author: netdavid |
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Description: unix du命令的简单实现，主要可以学习glob函数的使用-static int64_t
mydu_getblocks(const char*path)
{
int i
int64_t sum=0
static struct stat stat_result
glob_t glob_result
static int ret
static char fullpath[PATHMAX]
if (lstat(path, &stat_result)<0) {
perror("lstat()")
return 0
}
if (!S_ISDIR(stat_result.st_mode)) {
return stat_result.st_blocks
}
/************************************************/
snprintf(fullpath, PATHMAX, " s/*", path)
ret = glob(fullpath, GLOB_NOCHECK|GLOB_NOSORT, NULL, &glob_result)
if (ret!=0) {
perror("glob()")
return 0
}
snprintf(fullpath, PATHMAX, " s/.*", path)
ret = glob(fullpath, GLOB_NOCHECK|GLOB_NOSORT|GLOB_APPEND, NULL, &glob_result)
if (ret!=0) {
perror("glob()")
return 0
}
sum+= stat_result.st_blocks
for (i=0 i<glob_result.gl_pathc ++i) {
if (isvalid(glob_result.gl_pathv[i])) {
sum+= mydu_getblocks(glob_result.gl_pathv[i])
}
}
globfree(&glob_result)
return sum
}
Platform: |
Size: 1024 |
Author: aasdf |
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Description: 使用opendir、readdir、closedir等函数来操作目录，使用stat函数来获取文件信息。编写一个功能完整的实现Unix/Linux下ls命令的程序，并且该程序实现了-l（长格式）选项功能，并能在Unix/Linux环境下正确地运行。-Use opendir, readdir, close to operate functions such as directory, use the stat function to get file information. Write a full-featured implementation of programs Unix/Linux under the ls command, and the program implements the-l (long format) option function, and can run correctly under Unix/Linux environment.
Platform: |
Size: 1024 |
Author: Selena Wang |
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