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C_ÆÕͨλÔËËã

 Ô´Âë:
# include <stdio.h>
 
int main()
{
    /* ¶¨ÒåÁËÒ»¸öÎÞ·ûºÅ×Ö·ûÐͱäÁ¿£¬´Ë±äÁ¿Ö»ÄÜÓÃÀ´´æ´¢ÎÞ·ûºÅÊý */
    unsigned char result;
    
    int a, b, c, d;
    a = 2;
    b = 4;
    c = 6;
    d = 8;
 
    /* ¶Ô±äÁ¿½øÐГ°´Î»Ó딲Ù×÷ */
    result = a & c;
    printf("result = %d\n", result);
 
    /* ¶Ô±äÁ¿½øÐГ°´Î»»ò”²Ù×÷ */
    result = b | d;
    printf("result = %d\n", result);
 
    /* ¶Ô±äÁ¿½øÐГ°´Î»Òì»ò”²Ù×÷ */
    result = a ^ d;
    printf("result = %d\n", result);
 
    /* ¶Ô±äÁ¿½øÐГȡ·´”²Ù×÷ */
    result = ~a;
    printf("result = %d\n", result);
    return 0;
}


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C struct ÖÐ×Ö½Ú¶ÔÆëÎÊÌâ

 VCÖÐÏÂÃæ¼¸¸ö½á¹¹Ìå´óС·Ö±ðÊǶàÉÙÄØ
struct MyStruct
{
    double m4;
    char m1;
    int  m3£»
};
s ......

ADC0809 C³ÌÐò

 #include<reg52.h>
#include<intrins.h>
#define uint  unsigned int
#define uchar unsigned char
uint date;
uchar mm=0,n=0;
uint k1,k2,k3,k4,k5,k6;
uchar code b[]={
    0x3f,0x06,0x5b,0x4f,0x66,   //0,1,2,3,4,
    0x6d,0x7d,0x07,0x7 ......

C/C++ÖеÄÄÚ´æ²¹Æë»úÖÆ

      ÔÚCÓïÑÔÖУ¬½á¹¹ÊÇÒ»ÖÖ¸´ºÏÊý¾ÝÀàÐÍ£¬Æä¹¹³ÉÔªËØ¼È¿ÉÒÔÊÇ»ù±¾Êý¾ÝÀàÐÍ£¨Èçint¡¢long¡¢floatµÈ£©µÄ±äÁ¿£¬Ò²¿ÉÒÔÊÇһЩ¸´ºÏÊý¾ÝÀàÐÍ£¨ÈçÊý×é¡¢½á¹¹¡¢ÁªºÏµÈ£©µÄÊý¾Ýµ¥Ôª¡£ÔڽṹÖУ¬±àÒëÆ÷Ϊ½á¹¹µÄÿ¸ö³ÉÔ±°´Æä×ÔÈ»¶Ô½ç£¨alignment£©Ìõ¼þ·ÖÅä¿Õ¼ä¡£¸÷¸ö³ÉÔ±°´ÕÕËüÃDZ»ÉùÃ÷µÄ˳ÐòÔÚÄÚ´æÖÐ˳Ðò´ ......

C_Êý¾ÝÀàÐÍת»»

 Ô´Âë:
# include <stdio.h>
 
int main()
{
    /* ¶¨Òå±äÁ¿²¢¸³³õÖµ */
     int    a = 5;       
    char   c = 'a';   // 'a'µÄASCÂëµÄֵΪ97
    ......
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