INET

Section: �� α׷�� Ŵ�� (3)
Updated: 1995�� 9�� 3��
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inet_aton, inet_addr, inet_network, inet_ntoa, inet_makeaddr, inet_lnaof, inet_netof - ��ͳ� �ּ� �� ƾ��

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#include <sys/socket.h>
#include <netinet/in.h>
#include <arpa/inet.h>

int inet_aton(const char *cp, struct in_addr *inp);

unsigned long int inet_addr(const char *cp);

unsigned long int inet_network(const char *cp);

char *inet_ntoa(struct in_addr in);

struct in_addr inet_makeaddr(int net, int host);

unsigned long int inet_lnaof(struct in_addr in);

unsigned long int inet_netof(struct in_addr in);

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inet_aton() �Լ�� ǥ�� -�� ǥ�� ͳ� ȣ��Ʈ �ּ� cp�� ͷ� �ٲ۴�. �׸�� inp �� Ű�� ü�� Ѵ�. �� ּҰ� ��ȿ�ϴٸ� 0 �� ƴ� �� ȯ�Ǹ� ��ȿ�ϴٸ� 0 �� ȯ�ȴ�.

inet_addr() �Լ�� -�� ǥ�� ͳ� ȣ��Ʈ �ּ� cp�� Ʈ�� Ʈ �� ͷ� �ٲ۴�. �� Է�� ȿ�� ʴٸ�, INADDR_NONE (�� -1)�� ȯ�ȴ�. �� Լ�� inet_aton�� ̽��̴�.; �� Լ�� . �ֳ��ϸ� -1�� ȿ�� ּ�(255.255.255.255)�̰�, inet_aton�� ϵǾ�� Ű�� Ȯ�� ϱ� ��̴�.

inet_network() �Լ�� -�� ǥ�� ּ� cp�� ȣ��Ʈ ��Ʈ �� Ʈ�� ˾Ƴ��. �Է�� ȿ�� ʴٸ�, -1�� ϵȴ�.

inet_ntoa() �Լ�� Ʈ�� Ʈ �� ־�� ͳ� ȣ��Ʈ �ּ� in�� ǥ�� -�� ǥ�� ڿ�� ٲ۴�. ��ڿ�� Ҵ�� ۷� ��ȯ�Ǹ� �� Լ�� ȣ�� .

inet_makeaddr() �Լ�� Ѵ� �� ȣ��Ʈ ��Ʈ �� Ʈ�� net�� Ʈ�� net�� ּ� host�� Ͽ� ��Ʈ�� Ʈ �� ͳ� ȣ��Ʈ �ּҸ� ��.

inet_lnaof() �Լ�� ͳ� �ּ� in�� ȣ��Ʈ �ּ� �κ�� ȯ�Ѵ�. �� ȣ��Ʈ �ּҴ� �� ȣ��Ʈ ��Ʈ �� ȯ�ȴ�.

inet_netof() �Լ�� ͳ� �ּ� in �� Ʈ�� κ�� ȯ�Ѵ�. ��Ʈ�� ȣ��Ʈ ��Ʈ �� ȯ�ȴ�.

inet_makeaddr(), inet_lnoaf() �׸�� inet_netof() �� Ǵ� ��ü in_addr�� netinet/in.h�� ǵǾ� �ִ�:

struct in_addr {
        unsigned long int s_addr;
}

i80x86�� ȣ��Ʈ ��Ʈ �� Least Significant Byte�� ó��̰�, �ݸ鿡 ��ͳݿ�� Ǵ� ��ó�� Ʈ�� Ʈ �� Most Significant Byte�� ó��̴�.

ȣȯ

BSD 4.3

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gethostbyname(3), getnetent(3), hosts(5), networks(5)

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�� <skyeyes@soback.kornet.net>, 2001�� 3�� 12��

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Time: 08:07:01 GMT, March 25, 2004

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