GETNETENT
Section: Linux Programmer's Manual (3)
Updated: May 15, 1993
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À̸§
getnetent, getnetbyname, getnetbyaddr, setnetent, endnetent -
³×Æ®¿÷ ¿£Æ®¸®¸¦ °¡Á®¿Â´Ù.
 
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#include <netdb.h>
struct netent *getnetent(void);
struct netent *getnetbyname(const char *name);
struct netent *getnetbyaddr(long net, int type);
void setnetent(int stayopen);
void endnetent(void);
 
¼³¸í
getnetent() ÇÔ¼ö´Â ÆÄÀÏ /etc/networks ¿¡¼ ´ÙÀ½ ¶óÀÎÀ» Àаí 
±× ¶óÀο¡¼ »Ì¾Æ³½ ÇʵåµéÀ» Æ÷ÇÔÇÏ´Â netent ±¸Á¶Ã¼¸¦ ¹ÝȯÇÑ´Ù.
/etc/networks ÆÄÀÏÀº ÇÊ¿äÇÏ´Ù¸é ¿·ÁÁø´Ù.
getnetbyname() ÇÔ¼ö´Â /etc/networks¿¡¼ ³×Æ®¿÷ name°ú 
ÀÏÄ¡ÇÏ´Â ¶óÀο¡ ÇØ´çÇÏ´Â netent ±¸Á¶Ã¼¸¦ ¹ÝȯÇÑ´Ù.
getnetbyaddr() ÇÔ¼ö´Â ŸÀÔ typeÀÇ ³×Æ®¿÷ ¹øÈ£ net°ú 
ÀÏÄ¡ÇÏ´Â ¶óÀο¡ ÇØ´çÇÏ´Â netent ±¸Á¶Ã¼¸¦ ¹ÝȯÇÑ´Ù.
setnetent() ÇÔ¼ö´Â /etc/networks ÆÄÀÏÀ» ¿°í µÇ °¨´Â´Ù.  
¸¸ÀÏ stayopen ÀÌ Âü(1)À̶ó¸é, ÆÄÀÏÀº getnetbyname() °ú  
getnetbyaddr() È£Ãâ½Ã ´ÝÇôÁöÁö ¾ÊÀ» °ÍÀÌ´Ù.
endservent() ÇÔ¼ö´Â /etc/networksÀ» ´Ý´Â´Ù.
netent ±¸Á¶Ã¼´Â ´ÙÀ½Ã³·³ <netdb.h>¿¡ Á¤ÀǵǾî ÀÖ´Ù.:
- 
struct netent {
        char    *n_name;          /* °ø½ÄÀûÀÎ ³×Æ®¿÷ À̸§ */
        char    **n_aliases;      /* º°Äª À̸§ */
        int     n_addrtype;       /* net ÁÖ¼Ò Å¸ÀÔ */
        unsigned long int n_net;  /* ³×Æ®¿÷ ¹øÈ£ */
}
netent ±¸Á¶Ã¼ ¸â¹ö´Â:
- n_name
- 
³×Æ®¿÷ÀÇ °ø½ÄÀûÀÎ À̸§ 
- n_aliases
- 
³×Æ®¿÷À» À§ÇØ ¼±ÅÃÇÒ¼ö ÀÖ´Â ³Î·Î Á¾·áµÈ ¸®½ºÆ® 
- n_addrtype
- 
³×Æ®¿÷ ¹øÈ£ÀÇ Å¸ÀÔ; Ç×»ó AF_INET.
- n_net
- 
È£½ºÆ® ¹ÙÀÌÆ® ¼ø¼·Î µÈ ³×Æ®¿÷ ¹øÈ£.
¹Ýȯ°ª
getnetent(), getnetbyname() ±×¸®°í getnetbyaddr()
ÇÔ¼ö´Â netent ±¸Á¶Ã¼¸¦ ¹ÝȯÇϰųª, ¸¸ÀÏ ¿¡·¯°¡ ¹ß»ýÇϰųª ÆÄÀÏÀÇ ³¡¿¡
µµÂøÇÑ´Ù¸é NULL Æ÷ÀÎÅ͸¦ ¹ÝȯÇÑ´Ù.
 
ÆÄÀÏ
/etc/networks           ³×Æ®¿÷ µ¥ÀÌÅͺ£À̽º ÆÄÀÏ 
 
ȣȯ
BSD 4.3
 
°ü·Ã Ç׸ñ
getprotoent(3), getservent(3), networks(5)
RFC 1101
 
¿ªÀÚ
Á¤°ÈÆ <skyeyes@soback.kornet.net>, 2001³â 4¿ù 30ÀÏ 
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