GETSERVENT
Section: ¸®´ª½º ÇÁ·Î±×·¡¸Ó ¸Å´º¾ó (3)
Updated: 1996³â 4¿ù 22ÀÏ
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getservent, getservbyname, getservbyport, setservent, endservent - ¼ºñ½º ¿£Æ®¸®¸¦ °¡Á®¿Â´Ù.
»ç¿ë¹ý
#include <netdb.h>
struct servent *getservent(void);
struct servent *getservbyname(const char *name, const char *proto);
struct servent *getservbyport(int port, const char *proto);
void setservent(int stayopen);
void endservent(void);
¼³¸í
getservent() ÇÔ¼ö´Â ÆÄÀÏ /etc/services¿¡¼ ´ÙÀ½ ¶óÀÎÀ» ÀÐ°í ±×
¶óÀο¡¼ »Ì¾Æ³½ ÇʵåµéÀ» Æ÷ÇÔÇÏ´Â ±¸Á¶Ã¼ servent¸¦ ¹ÝÇÑÇÑ´Ù.
/etc/services ÆÄÀÏÀº ÇÊ¿äÇÏ´Ù¸é ¿·ÁÁø´Ù.
getservbyname() ÇÔ¼ö´Â /etc/services¿¡¼ ÇÁ·ÎÅäÄÝ protoÀ»
»ç¿ëÇÏ¸ç ¼ºñ½º name °ú ÀÏÄ¡ÇÏ´Â ¶óÀο¡ ÇØ´çÇÏ´Â servent
±¸Á¶Ã¼¸¦ ¹ÝȯÇÑ´Ù.
getservbyport() ÇÔ¼ö´Â ÇÁ·ÎÅäÄÝ protoÀ» »ç¿ëÇÏ¸ç ³×Æ®¿÷
¹ÙÀÌÆ® ¼ø¼·Î ÁÖ¾îÁø Æ÷Æ® port°ú ÀÏÄ¡ÇÏ´Â servent ±¸Á¶Ã¼¸¦
¹ÝȯÇÑ´Ù.
setservent() ÇÔ¼ö´Â /etc/services ÆÄÀÏÀ» ¿°í ´Ù½Ã ¿ø·¡´ë·Î
µ¹·Á³õ´Â´Ù.
¸¸ÀÏ stayopen °¡ Âü(1)À̶ó¸é, ÆÄÀÏÀº getservbyname() °ú
getservbyport() È£Ãâ½Ã ´ÝÇôÁöÁö ¾Ê´Â´Ù.
endservent() ÇÔ¼ö´Â /etc/services¸¦ ´Ý´Â´Ù.
servent ±¸Á¶Ã¼´Â ´ÙÀ½Ã³·³ <netdb.h>¿¡ Á¤ÀǵǾî ÀÖ´Ù:
-
struct servent {
char *s_name; /* °ø½ÄÀûÀÎ ¼ºñ½º À̸§ */
char **s_aliases; /* º°Äª ¸®½ºÆ® */
int s_port; /* Æ÷Æ® ¹øÈ£ */
char *s_proto; /* »ç¿ëÇÏ´Â ÇÁ·ÎÅäÄÝ */
}
servent ±¸Á¶Ã¼ÀÇ ¸â¹ö´Â:
- s_name
-
¼ºñ½ºÀÇ °ø½ÄÀûÀÎ À̸§.
- s_aliases
-
¼ºñ½º¸¦ À§ÇØ ¼±ÅÃÇÒ¼ö ÀÖ´Â ³Î·Î Á¾·áµÈ ¸®½ºÆ®
- s_port
-
³×Æ®¿÷ ¹ÙÀÌÆ® ¼ø¼·Î ÁÖ¾îÁø ¼ºñ½ºÀÇ Æ÷Æ® ¹øÈ£
- s_proto
-
ÀÌ ¼ºñ½º¿¡¼ »ç¿ëÇÏ´Â ÇÁ·ÎÅäÄÝ À̸§
¹Ýȯ°ª
getservent(), getservbyname() ±×¸®°í getservbyport()
ÇÔ¼ö´Â servent ±¸Á¶Ã¼¸¦ ¹ÝȯÇϰųª, ¸¸ÀÏ ¿¡·¯°¡ ÀϾ°Å³ª ÆÄÀÏÀÇ
³¡¿¡ µµÂøÇÑ´Ù¸é NULL Æ÷ÀÎÅ͸¦ ¹ÝȯÇÑ´Ù.
ÆÄÀÏ
- /etc/services
-
¼ºñ½º µ¥ÀÌÅÍ ÆÄÀÏ
ȣȯ
BSD 4.3
°ü·Ã Ç׸ñ
getprotoent(3), getnetent(3), services(5)
¿ªÀÚ
Á¤°ÈÆ <skyeyes@soback.kornet.net>, 2001³â 4¿ù 30ÀÏ
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