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/*±àд³ÌÐò£¬ÊäÈë2¸öÊýÒÔ¼°¼Ó¼õ³Ë³ýÖеÄijÔËËã·ûºÅ£¬²¢µ÷ÓÃ×Ô¼º±àдµÄº¯Êý¼ÆËãÏàÓ¦µÄ½á¹û*/
#include<stdio.h>
#include<conio.h>
float cal(int a,char sym,int b);
main()
{
 int a=0,b=0;
 char sym='\0';
 float c=0.0;
 scanf("%d%c%d",&a,&sym,&b);
 c=cal(a,sym,b);
 printf("%d%c%d=%f\n",a,sym,b);
 getch();
}
float cal(int a,char sym,int b)
{
      float c=0.0;
      switch(sym)
      {
                 case '+': c=a+b;
                 case '-': c=a-b;
                 case '*': c=a*b;
                 case '/': if(b!=0)
                 {
                      c=(float)a/b;
                      return c;
                 }
                 else
                 {
                     printf("Devided by 0.\n");
                  exit(0);  /*±àÒëµÄʱºòÔÚÕâÐгö´í*/
     &n


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int main()
{
      char* cp1 = {'z', 'h', 'a', 'n', 'g'};
      char* cp2 = {'z', 'h', 'a', 'n', 'g'};
      std::cout<<strcmp(cp1, cp2)<< ......

ÿÈÕC(3.Linux³£ÓÃCº¯Êý ÄÚ´æ¿ØÖÆÆª)

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calloc
free
getpagesize
malloc
mmap
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calloc£¨ÅäÖÃÄÚ´æ¿Õ¼ä£©
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malloc£¬free£¬realloc£¬brk
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#include <stdlib.h>
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void *calloc(size_t nmemb£¬size_t size);
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calloc()ÓÃÀ´ÅäÖÃnmemb¸öÏàÁÚµÄÄڴ浥λ£¬Ã¿Ò»µ¥Î»µÄ´óСΪsize£¬²¢·µ»ØÖ¸ÏòµÚ ......

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    ˼·: A Ñ¡ÖÐÓ¦ÓóÌÐòÎļþ¼Ð->ÓÒ¼üÑ¡ÔñÌí¼ÓÎļþ->
        Ñ¡ÖÐÓ¦ÓóÌÐò(ÏîÄ¿Ãû.exe)£¨Íê³É³ÌÐòµÄ´ò°ü£ ......

linux 0.11 ÄÚºËѧϰ sched.c£¬µ÷¶È½ø³Ì¡£


/*
 * 2010-1-21
 * ¸ÃÎļþʱÄÚºËÖÐÓйØÈÎÎñµ÷¶ÈµÄº¯Êý³ÌÐò£¬ÆäÖаüº¬»ù±¾º¯Êýsleep_on£¬
 * wakeup£¬scheduleµÈ£¬ÒÔ¼°Ò»Ð©¼òµ¥µÄϵͳµ÷Óá£Í¬Ê±½«ÈíÅ̵ö²Ù×÷
 * º¯ÊýÒ²·ÅÖÃÔÚÕâÀï¡£
 * 
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perlembed ÔÚ C ³ÌÐòÖÐǶÈë perl

NAME
    perlembed - ÔÚ C ³ÌÐòÖÐǶÈë perl
DESCRIPTION
  µ¼ÑÔ
    ÄãÊÇÏëÒª£º
    ÔÚ Perl ÖÐʹÓà C£¿
         ÔĶÁ perlxstut¡¢perlxs¡¢h2xs¡¢perlguts ºÍ perlapi¡£
    ÔÚ Perl ÖÐʹÓà Unix ³ÌÐò£¿
     & ......
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