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python udp c/s ¼Ç¼

server:
import sys
import socket
host = sys.argv[1]
port = int(sys.argv[2])
 
s = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
 
s.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
 
s.bind((host,port))
 
while 1:
    try:
   &n ......

Îĵµ´¦ÀíµÄcº¯Êý

Îļþº¯Êý´ò¿ªÎļþº¯Êý
[º¯ÊýÍ·]
FILE *fopen£¨char *filename, Char *mode£© 
[²ÎÊý]
filename ×Ö·ûÐÍÖ¸Õ룬ָÏòµÄ×Ö·û´®ÊÇÒª´ò¿ªµÄ´ÅÅÌÎļþÃû£»mode ×Ö·ûÐÍÖ¸Õ룬ָÏòµÄ×Ö·û´®ÊÇÎļþʹÓ÷½Ê½¡£ÕâÁ½¸ö²ÎÊý¶ÔÓ¦µÄʵ²Î¿ÉÒÔÊÇ×Ö·ûÖг£Á¿£¬Ò²¿ÉÒÔÊDz¹·ûÊý×éÊ×µØÖ·£¬»òÕßÊÇÖ¸Ïò×Ö·û´®µÄÖ¸Õë±äÁ¿¡£ 
ÎļþʹÓ÷½Ê½¿ ......

Ubuntu linuxϵͳϰ²×°C kermit´®¿Ú¹¤¾ß

½â¾ö²½Ö裺
gylu@dell-desktop:~$ sudo apt-get install ckermit
ÏÔʾ°²×°¹ý³Ì
gylu@dell-desktop:~$gedit ~/.kermrc
ÊäÈëÏÂÃæÄÚÈݺ󱣴æ.kermrcÍ˳ö:
   set line            /dev/ttyS0
    set speed    & ......

linux³£ÓÃcº¯Êý ÎļþȨÏÞ¿ØÖÆÆª

access£¨ÅжÏÊÇ·ñ¾ßÓдæÈ¡ÎļþµÄȨÏÞ£©
¡¡¡¡Ïà¹Øº¯Êý  stat£¬open£¬chmod£¬chown£¬setuid£¬setgid
¡¡¡¡±íÍ·Îļþ  #include<unistd.h>
¡¡¡¡¶¨Ò庯Êý  int access(const char * pathname,int mode);
¡¡¡¡º¯Êý˵Ã÷  access()»á¼ì²éÊÇ·ñ¿ÉÒÔ¶Á/дijһÒÑ´æÔÚµÄÎļþ¡£²ÎÊýmodeÓм¸ÖÖÇé¿ö×éºÏ£¬R_OK ......

Beautify your c/c++ source code

http://uncrustify.sourceforge.net/
Ident code, aligning on parens, assignments, etc
Align on '=' and variable definitions
Align structure initializers
Align #define stuff
Align backslash-newline stuff
Reformat comments (a little bit)
Fix inter-character spacing
Add or remove parens on return ......
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