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1. ÕÒ´í
#define MAX_SRM 256
DSN get_SRM_no()
{
    static int SRM_no;
    int I;
    for(I=0;I<MAX_SRM;I++,SRM_no++)
    {
        SRM_no %= MAX_SRM;
        if(MY_SRM.state==IDLE)
        {
            break;
        }
    }
    if(I>=MAX_SRM)
        return (NULL_SRM);
    else
        return SRM_no;
}
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(1). SRM_noûÓи³³õÖµ
(2). ÓÉÓÚstaticµÄÉùÃ÷£¬Ê¹¸Ãº¯Êý³ÉΪ²»¿ÉÖØÈ루¼´²»¿ÉÔ¤²â½á¹û£©º¯Êý£¬ÒòΪSRM_no±äÁ¿·ÅÔÚ³ÌÐòµÄÈ«¾Ö´æ´¢ÇøÖУ¬Ã¿´Îµ÷ÓõÄʱºò»¹¿ÉÒÔ±£³ÖÔ­À´µÄ¸³Öµ¡£ÕâÀïÓ¦¸ÃÈ¥µôstaticÉùÃ÷¡£
2. д³ö³ÌÐòÔËÐнá¹û
int sum(int a)
{
    auto int c=0;
    static int b=3;
    c+=1;
    b+=2;
    return(a+b+C);
}
¡¡¡¡
void main()
{
    int I;
    int a=2;
    for(I=0;I<5;I++)
    {
        printf("%d,", sum(a));
    }
}
´ð£º8,10,12,14,16
¸ÃÌâ±È½Ï¼òµ¥¡£Ö»Òª×¢ÒâbÉùÃ÷Ϊstatic¾²Ì¬È«¾Ö±äÁ¿£¬ÆäÖµÔÚÏ´ε÷ÓÃʱÊÇ¿ÉÒÔ±£³ÖסԭÀ´µÄ¸³ÖµµÄ¾Í¿ÉÒÔ¡£
3.
int func(int a)
{
    int b;
    switch(a)
    {
        case 1: b=30;
        case 2: b=20;
        case 3: b=16;
        default: b=0;
    }
    return b;
}
Ôòfunc(1)=?
´ð£ºfunc(1)=0£¬ÒòΪûÓÐbreakÓï¾ä£¬switchÖлáÒ»Ö±¼ÆËãµ½b=0¡£
4.
int a[3];
a[0]=0; a[1]=1; a[2]=2;
int *p, *q;
p=a;
q=&a[2];
Ôòa[q-p]=?
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#include <stdio.h>
#include <stdlib.h>
#include ".\sqlite3_lib\sqlite3.h"
 
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{
    int i;
    for ( i=0; i<argc; i++ )
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