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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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ÃÀ¹úרÀû·¨Ìõ¿î102(c),102(d)

www.us-ip.com
ÃÀ¹úרÀû·¨Ìõ¿î102(c),102(d)
35 U.S.C. 102:
A person shall be entitled to a patent unless -
(c) he has abandoned the invention
102(c)Ìõ¿îÖ¸³öÈç¹û·¢Ã÷ÈËÒÅÆúÁË·¢Ã÷£¬ÄÇô·¢Ã÷È˽«²»ÄÜ»ñµÃÃÀ¹úרÀû¡£·¢Ã÷ÈËÒÅÆú·¢Ã÷±ØÐëÊǹÊÒâµÄÐÐΪ£¬²¢ÇÒÒâͼ½«ÒÅÆúµÄ·¢Ã÷·îÏ׸øÉç»á¡£·¢Ã÷È˲»Ò»¶¨ÐèÒª¹«¿ªÐûÊ¾Õ ......

extern ¡°C¡±Ó÷¨

ÓÃÒ»¾ä»°¸ÅÀ¨extern “C”Õâ¸öÉùÃ÷µÄÕæʵĿµÄ¾ÍÊÇʵÏÖC++ÓëC¼°ÆäËüÓïÑԵĻìºÏ±à³Ì¡£
extern "C"µÄ¹ßÓ÷¨
£¨1£©ÔÚC++ÖÐÒýÓÃCÓïÑÔÖеĺ¯ÊýºÍ±äÁ¿£¬ÔÚ°üº¬CÓïÑÔÍ·Îļþ£¨¼ÙÉèΪcExample.h£©Ê±£¬Ðè½øÐÐÏÂÁд¦Àí£º
extern "C"
{
££i nclude "cExample.h"
}
¶øÔÚCÓïÑÔµÄÍ·ÎļþÖУ¬¶ÔÆäÍⲿº¯ÊýÖ»ÄÜÖ¸¶¨ÎªexternÀà ......

C ¶Á100¸öÊýµ½Êý×é

 #include <stdio.h>
#define MAX 100
int a[MAX], b[MAX], count = 0;
void rData()
{ int i;
FILE *fp;
fp = fopen("C:\\100.dat", "r");
for (i=0; i<MAX; i++)
fscanf(fp, "%d,", &a[i]);
fclose(fp);
}
 
void main()
{ int i;
rData();
//printf("Âú×ãÌõ¼þµÄÊý= ......

C/C++ÖеÄÄÚ´æ²¹Æë»úÖÆ

      ÔÚCÓïÑÔÖУ¬½á¹¹ÊÇÒ»ÖÖ¸´ºÏÊý¾ÝÀàÐÍ£¬Æä¹¹³ÉÔªËؼȿÉÒÔÊÇ»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_תÒå×Ö·û

 Ô´Âë:
# include <stdio.h>
 
int main()
{
    /* »»Ðзû'\n'£¬ÓÃÓÚÊä³ö»»ÐÐ */
    printf("How are you?\n");
    printf("I am fine.\n\n");
 
    /* ºáÏòÌø¸ñ·û'\t'£¬Ê¹Ìøµ½ÏÂÒ»¸öÊä³öÇø */
  ......
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