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ÕâƪÎÄÕ½éÉÜÔÚLINUXϽøÐÐCÓïÑÔ±à³ÌËùÐèÒªµÄ»ù´¡ÖªÊ¶.ÔÚÕâƪÎÄÕµ±ÖÐ,ÎÒÃǽ«»áѧµ½ÒÔÏÂÄÚÈÝ:  
Ô´³ÌÐò±àÒë  
MakefileµÄ±àд  
³ÌÐò¿âµÄÁ´½Ó  
³ÌÐòµÄµ÷ÊÔ  
Í·ÎļþºÍϵͳÇóÖú  
1.Ô´³ÌÐòµÄ±àÒë  
ÔÚLinuxÏÂÃæ,Èç¹ûÒª±àÒëÒ»¸öCÓïÑÔÔ´³ÌÐò,ÎÒÃÇҪʹÓÃGNUµÄgcc±àÒëÆ÷.   ÏÂÃæÎÒÃÇÒÔÒ»¸öʵÀýÀ´ËµÃ÷ÈçºÎʹÓÃgcc±àÒëÆ÷.  
¼ÙÉèÎÒÃÇÓÐÏÂÃæÒ»¸ö·Ç³£¼òµ¥µÄÔ´³ÌÐò(hello.c):  
int   main(int   argc,char   **argv)
{
printf( " "Hello   Linux   " ");
}
 
Òª±àÒëÕâ¸ö³ÌÐò,ÎÒÃÇÖ»ÒªÔÚÃüÁîÐÐÏÂÖ´ÐÐ:  
gcc   -o   hello   hello.c  
gcc   ±àÒëÆ÷¾Í»áΪÎÒÃÇÉú³ÉÒ»¸öhelloµÄ¿ÉÖ´ÐÐÎļþ.Ö´ÐÐ./hello¾Í¿ÉÒÔ¿´µ½³ÌÐòµÄÊä³ö½á¹ûÁË.ÃüÁîÐÐÖÐ   gcc±íʾÎÒÃÇÊÇÓÃgccÀ´±àÒëÎÒÃǵÄÔ´³ÌÐò,-o   Ñ¡Ïî±íʾÎÒÃÇÒªÇó±àÒëÆ÷¸øÎÒÃÇÊä³öµÄ¿ÉÖ´ÐÐÎļþÃûΪhello   ¶øhello.cÊÇÎÒÃǵÄÔ´³ÌÐòÎļþ.  
gcc±àÒëÆ÷ÓÐÐí¶àÑ¡Ïî,Ò»°ãÀ´ËµÎÒÃÇÖ»ÒªÖªµÀÆäÖеļ¸¸ö¾Í¹»ÁË.   -oÑ¡ÏîÎÒÃÇÒѾ­ÖªµÀÁË,±íʾÎÒÃÇÒªÇóÊä³öµÄ¿ÉÖ´ÐÐÎļþÃû.   -cÑ¡Ïî±íʾÎÒÃÇÖ»ÒªÇó±àÒëÆ÷Êä³öÄ¿±ê´úÂë,¶ø²»±ØÒªÊä³ö¿ÉÖ´ÐÐÎļþ.   -gÑ¡Ïî±íʾÎÒÃÇÒªÇó±àÒëÆ÷ÔÚ±àÒëµÄʱºòÌṩÎÒÃÇÒÔºó¶Ô³ÌÐò½øÐе÷ÊÔµÄÐÅÏ¢.  
ÖªµÀÁËÕâÈý¸öÑ¡Ïî,ÎÒÃǾͿÉÒÔ±àÒëÎÒÃÇ×Ô¼ºËùдµÄ¼òµ¥µÄÔ´³ÌÐòÁË,Èç¹ûÄãÏëÒªÖªµÀ¸ü¶àµÄÑ¡Ïî,¿ÉÒԲ鿴gccµÄ°ïÖúÎĵµ,ÄÇÀïÓÐ×ÅÐí¶à¶ÔÆäËüÑ¡ÏîµÄÏêϸ˵Ã÷.  
2.MakefileµÄ±àд  
¼ÙÉèÎÒÃÇÓÐÏÂÃæÕâÑùµÄÒ»¸ö³ÌÐò,Ô´´úÂëÈçÏÂ:  
/*   main.c   */
#include   " "mytool1.h " "
#include   " "mytool2.h " "
int   main(int   argc,char   **argv)
{
mytool1_print( " "hello " ");
mytool2_print( " "hello " ");
}
/*   mytool1.h   */
#ifndef   _MYTOOL_1_H
#define   _MYTOOL_1_H
void   mytool1_print(char   *print_str);
#endif
/*   mytool1.c   */
#include   " "mytool1.h " "
void   mytool1_print(char   *print_str)
{
printf( " "This   is   mytool1   print   %s   " ",print_str);
}
/*   mytool2.h   */


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ʹÓÃÃÜÂëµÇ¼:  mysql -u root -p
ÏÔʾÊý¾Ý¿â:  show databases;
Ñ¡ÔñÊý¾Ý¿â:  use Êý¾Ý¿âÃû;
ÏÔʾ±í:  show tables;
ÏÔʾ±í½á¹¹:  descibe ±íÃû;
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µ±½ñÓÐÐí¶àÃâ·ÑµÄ RDBMS£¨Relational Database Management
System£¬¹ØϵÊý¾Ý¿â¹ÜÀíϵͳ£©£¬ÆäÖÐһЩÊÇ¿ª·ÅÔ´ÂëÈí¼þ£¬ÁíһЩÊÇÉÌÒµ³§ÉÌÌṩµÄÃâ·Ñ²úÆ·¡£Èç¹ûÄúÕýÔÚʹÓà C/C++¡¢Java™¡¢.NET
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c/c++µÄ֪ʶµãÊÕ¼¯

1.¶¯Ì¬»ñµÃÄÚ´æµÄ´úÂë:
void GetMemory(char **p, int num)
{
  *p = (char *)malloc(sizeof(char) * num);
}
char* GetMemory2(int num)
{
  char* p = (char *)malloc(sizeof(char) * num);
  return p;
}
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´íÎóµÄ´úÂë:
void Ge ......

´Óº¯Êý·µ»ØÒ»¸öÊý×éµÄ2ÖÖ·½·¨ (Cר¼Ò±à³Ì p230)

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#include <stdio.h>
#include <stdlib.h>
int (*func())[20];//funcÊÇÒ»¸öº¯Êý£¬Ëü·µ»ØÒ»¸öÖ¸Ïò°üÀ¨20¸öintÔªËصÄÊý×éµÄÖ¸Õë
int main(void)
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