cº¯ÊýµÄ²ÎÊý´«µÝ
ÔÚCÓïÑÔÖУ¬ËùÓд«µÝ¸øº¯ÊýµÄ²ÎÊý¶¼ÊÇ°´Öµ´«µÝµÄ¡£
#include <iostream>
using namespace std;
void Out(int* p)
{
int j = 11;
p = &j;
*p = 12;
cout<<*p<<endl;
}
int main(int argc,char*argv[])
{
int i = 10;
Out(&i);
cout<<"i="<<i<<endl;
cin>>i;
}
Ïà¹ØÎĵµ£º
µÚÒ»Õ µ¼ÑÔ
1£¬¶¨Òå(define)ÓëÉùÃ÷(declaration)
¶¨Òå±íʾ´´½¨±äÁ¿»ò·ÖÅä´æ´¢µ¥Ôª£»¶øÉùÃ÷Ö¸µÄÊÇ˵Ã÷±äÁ¿µÄÐÔÖÊ£¬µ«²»·ÖÅä´æ´¢µ¥Ôª¡£
µÚ¶þÕ ÀàÐÍ¡¢ÔËËã·ûºÍ±í´ïʽ
1£¬Êý¾ÝÀàÐͼ°³¤¶È
CÖÐÖ»ÓÐ4ÖÖ»ù±¾Êý¾ÝÀàÐÍ£ºchar ,int ,float ......
CÓïÑÔÎļþ²Ù×÷½Ó´¥ºÜ¾ÃÁË£¬Ò»Ö±Ã»ÓÐ×ܽáÏà¹ØÄÚÈÝ£¬½ñÌìÓõ½Á˾ÍÈ¥ÕÒÁËÕÒÏà¹ØÄÚÈÝ¡£
ÔÚANSI CÖУ¬¶ÔÎļþµÄ²Ù×÷·ÖΪÁ½ÖÖ·½Ê½£¬¼´Á÷ʽÎļþ²Ù×÷ºÍI/OÎļþ²Ù×÷
typedef struct {
int level; /* fill/empty level of buffer */
unsigned flags; /* File status flags */
char fd; /* File descriptor */
unsigned char hold ......
»ã±à½ÒÃØCÓïÑÔÖеIJÎÊý´«µÝÎÊÌâ[zz]
ÎÄÕÂ×÷Õߣºcook702
ºÜ¶àѧϰ»ã±àµÄÅóÓÑÏë±Ø¶ÔCÒ²±È½ÏÁ˽⣬ÒòΪÔÚµ±Ç°´óѧµÄ¿Î³ÌÌåϵÀËüºÜÓпÉÄܾÍÊÇÄã½Ó´¥µ½µÄµÚÒ»Ãűà³ÌÓïÑÔ¡£ÓÉÓÚ¶Ô¼ÆËã»úµÄÀí½â²»¹»£¬Ñ§Ï°Ê±±Ø¶¨»áÓöµ½¸÷ÖÖÎÊÌâ¡£ÓÐЩÎÊÌâÊÇÄãͨ¹ý˼¿¼¾Í¿ÉÒÔ½â¾öµÄ£¬¶ø¸ü¶àµÄÎÊÌâÔòÊÇÄãÎÞ´Ó˼¿¼£¬¾ÍºÃÏñËüÌìÉú¾ÍÊÇÕâÑù£¬ÄãÖ»Òª¼ ......