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2 .λÔËËãÖ»ÊÇÓÃÓÚchar ºÍint Á½ÖÖÀàÐÍ£¬²»ÊÊÓÃÓÚdouble,float,long double,void ÀàÐÍ¡£
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4.      string ÀàʹÓõķ½·¨
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        £¨2£©    ÔÚʹÓÃstring µÄʱºòʹÓÃÃüÃû¿Õ¼ästd £»»òÕßÉùÃ÷using namespace std;
5. ÔÚVC µ±ÖУ¬Èç¹ûÊÇijһ¸ö¹¤³ÌÐèÒª±»µ¼³ö¹©ÆäËü¹¤³ÌʹÓã¬ÐèÒª¼Óµ¼³ö±ê×¼__declspec(dllExport). Èç¹û²»Ìí¼ÓÉÏÊö±êÖ¾·û£¬±ã²»Äܵ¼³ö£¬ÆäËû¹¤³Ì±ã²»ÄÜʹÓá£Èç¹ûÊDZ¾¹¤³ÌÐèҪʹÓÃÆäËü¹¤³ÌÖеÄÄÚÈÝ£¬ÐèÒª¼ÓÉÏ__declspec(dllImport). ËäÈ»Ãæ¶ÔÒ»°ãº¯ÊýºÍ¾²Ì¬º¯Êý²»¼Ó±êÖ¾·û¿ÉÒÔͨ¹ý£¬µ«ÊÇÃæ¶Ô¾²Ì¬±äÁ¿µÄʱºò±ã»á³öÏÖÁ¬½Ó´íÎó¡£
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9. ʹÓà Malloc\Free ºÍ New\delete µÄ²»Í¬£º
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#include <iostream>
using namespace std;
void main()
{
 char *p,*q;
 p = "abcde";
 q = p + 3;
 *q = 't';
 cout<<p<<endl;
 cout<<q<<endl;
}
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 *q = 't';
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µ±³¢ÊÔ´ÓÎļþ¶ÁÈë×Ö·ûʱ£¬getc()º¯Êý»á·µ»ØEOF£¬ËùÒÔ³ÌÐò»áÔÚÏÂÒ»´Î¶Áȡʱ²Å»á·¢ÏÖÎļþ½áβ¡£´Ëʱ³ÌÐòÔÚÊÔͼ¶ÁÈ¡¿ÕÎļþ£¬¿ÉÄܻᷢÉúһЩÎÊÌâ¡£ËùÒÔÓ¦µ±ÔÚÑ­»·Èë¿Ú´¦½øÐÐÅжϡ£
int ch;
FILE * fp;
fp = fopen ("test","r");
while ((ch = getc(fp) != EOF)
{
putchar (ch);
} ......

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