ustbgaofan

#include <signal.h>
#include <stdio.h>
#include <time.h>

static void  sig_alrm(int);	/* one handler for both signals */
time_t start,stop;
int main(void)
{
	signal(SIGALRM,sig_alrm);
	start = time(NULL);

ustbgaofan

#!/bin/sh
SHORTCUT="[Desktop Entry]
Name=Sublime Text 2
Comment=Edit text files
Exec=/usr/local/sublime-text-2/sublime_text
Icon=/usr/local/sublime-text-2/Icon/128x128/sublime_text.png
Terminal=false
Type=Application
Encoding=UTF-8
Categories=Utility;TextEditor;"

ustbgaofan

Sublime Text 2 – Useful Shortcuts (Windows)

General

Ctrl+KB	toggle side bar
Ctrl+Shift+P	command prompt
Ctrl+`	python console
Ctrl+N	new file

Editing

ustbgaofan

obj-m:=call_dev.o
KDIR :=/lib/modules/$(shell uname -r)/build
PWD := $(shell pwd)

default:
  $(MAKE) -C $(KDIR) SUBDIRS=$(PWD) modules

clean:
	rm -rf *.ko
	rm -rf *.mod.*

ustbgaofan

#include <stdio.h>

int main()
{
	int i;
	int* pI;
	char* pC;
	float* pF;

	pI=&i;

ustbgaofan

cosnt int* p; //p可变，p指向的内容不可变
int const* p;//p可变，p指向的内容不可变
int* const p;//p不可变，p指向的内容可变
const int* const p;//p和p指向的内容都不可变

口诀：左数右指

当const出现在*的左边时，指针指向的数据为常量
当const出现在*的右边时，指针本身为常量

ustbgaofan

char *  strcpy(char *str1,const char *str2)
{
    assert( (str1!=NULL)&&  (str2 != NULL));//判断指针的合法性
    char *address   = str1;//记录目标指针所指向的地址
    while( (*str1++=*str2++) !='\0');//拷贝知道str2结束
    return address;//返回目标地址
}

ustbgaofan

# -*- coding: utf8 -*-

# 下载速度很慢，
import urllib2, urllib
import sys
import os
import socket
import re

import socks

ustbgaofan

#include <stdio.h>

int main()
{
  	int s=8,d=10,m=35;

		int u=0;

		for(;u<20;u++)
		{

ustbgaofan

#include <stdio.h>
int main()
{
  int s,temp,i,j,a[20];
	
	printf("Enter total no. of elements:");
	scanf("%d",&s);
	
	printf("Enter %d elements:",s);
	for(i=0;i<s;i++)