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±ÈÈçÏëҪʹÓà int mkdir(const char *pathname, mode_t mode); ´´½¨Ò»¸öÖÐÎĵÄĿ¼¡£ÄÇôpathnameµÄ±àÂë¸ñʽҪÇóÊÇutf-8µÄ£¬¶ø²»ÄÜÊÇgb3212/gbkµÄ£¬·ñÔò¾ÍÊÇÂÒÂë¡£
ÄÇôÈç¹ûlinux CÏÂÈçºÎ½øÐÐgbk<---->utf-8±àÂëת»»µÄ±àÂë×°»»µÄ£¿Ê¹ÓõÄÊÇiconvº¯Êý´Ø¡£
#include <iconv.h>
int code_convert(char *from_charset,char *to_charset,char *inbuf,int inlen,char *outbuf,int outlen)
{
iconv_t cd;
int rc;
char **pin = &inbuf;
char **pout = &outbuf;
cd = iconv_open(to_charset,from_charset);
if (cd==0)
return -1;
memset(outbuf,0,outlen);
if (iconv(cd,pin,&inlen,pout,&outlen) == -1)
return -1;
iconv_close(cd);
return 0;
}
int u2g(char *inbuf,int inlen,char *outbuf,int outlen)
{
return code_convert("utf-8","gb2312",inbuf,inlen,outbuf,outlen);
}
int g2u(char *inbuf,size_t inl ......

linux C gbk utf 8±àÂëת»»

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±ÈÈçÏëҪʹÓà int mkdir(const char *pathname, mode_t mode); ´´½¨Ò»¸öÖÐÎĵÄĿ¼¡£ÄÇôpathnameµÄ±àÂë¸ñʽҪÇóÊÇutf-8µÄ£¬¶ø²»ÄÜÊÇgb3212/gbkµÄ£¬·ñÔò¾ÍÊÇÂÒÂë¡£
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#include <iconv.h>
int code_convert(char *from_charset,char *to_charset,char *inbuf,int inlen,char *outbuf,int outlen)
{
iconv_t cd;
int rc;
char **pin = &inbuf;
char **pout = &outbuf;
cd = iconv_open(to_charset,from_charset);
if (cd==0)
return -1;
memset(outbuf,0,outlen);
if (iconv(cd,pin,&inlen,pout,&outlen) == -1)
return -1;
iconv_close(cd);
return 0;
}
int u2g(char *inbuf,int inlen,char *outbuf,int outlen)
{
return code_convert("utf-8","gb2312",inbuf,inlen,outbuf,outlen);
}
int g2u(char *inbuf,size_t inl ......

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void *malloc(long NumBytes)£º¸Ãº¯Êý·ÖÅäÁËNumBytes¸ö×Ö½Ú£¬²¢·µ»ØÁËÖ¸ÏòÕâ¿éÄÚ´æµÄÖ¸Õë¡£Èç¹û·ÖÅäʧ°Ü£¬Ôò·µ»ØÒ»¸ö¿ÕÖ¸Õ루NULL£©¡£ ¹ØÓÚ·ÖÅäʧ°ÜµÄÔ­Òò£¬Ó¦¸ÃÓжàÖÖ£¬±ÈÈç˵¿Õ¼ä²»×ã¾ÍÊÇÒ»ÖÖ¡£
void free(void *FirstByte)£º ¸Ãº¯ÊýÊǽ«Ö®Ç°ÓÃmalloc·ÖÅäµÄ¿Õ¼ä»¹¸ø³ÌÐò»òÕßÊDzÙ×÷ϵͳ£¬Ò²¾ÍÊÇÊÍ·ÅÁËÕâ¿éÄڴ棬ÈÃËüÖØÐµõ½×ÔÓÉ¡£
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    // Code...
    char *Ptr = NULL;
    Ptr = (char *)malloc(100 * sizeof(char));
    if (NULL == Ptr)
   {
       exit (1);
   }
    gets(Ptr);
    // code...
    free(Ptr);
    Ptr = NULL;
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(1)int *ptr; //Ö¸ÕëµÄÀàÐÍÊÇint *
(2)char *ptr; //Ö¸ÕëµÄÀàÐÍÊÇchar *
(3)int **ptr; //Ö¸ÕëµÄÀàÐÍÊÇ int **
(4)int (*ptr)[3]; //Ö¸ÕëµÄÀàÐÍÊÇ int(*)[3]
(5)int *(*ptr)[4]; //Ö¸ÕëµÄÀàÐÍÊÇ int *(*)[4]  
2.Ö¸ÕëËùÖ¸ÏòµÄÀàÐÍ:
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(1)int *ptr; //Ö¸ÕëËùÖ¸ÏòµÄÀàÐÍÊÇint
(2)char *ptr; //Ö¸ÕëËùÖ¸ÏòµÄµÄÀàÐÍÊÇchar
(3)int **ptr; //Ö¸ÕëËùÖ¸ÏòµÄµÄÀàÐÍÊÇ int *
(4)int (*ptr)[3]; //Ö¸ÕëËùÖ¸ÏòµÄµÄÀàÐÍÊÇ int()[3]
(5)int *(*ptr)[4]; //Ö¸ÕëËùÖ¸ÏòµÄµÄÀàÐÍÊÇ int *()[4]
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The right-left rule: Start reading the declaration from the innermost parentheses, go right, and then go left. When you encounter parentheses, the direction should be reversed. Once everything in the parentheses has been parsed, jump out of it. Continue till the whole declaration has been parsed.
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private void Button3_Click( object sender, System.EventArgs e ) { Response.AddHeader( "Refresh","0" ); } µÚËÄ£º
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