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CentOS 7.0 - man page for hesiod_getmailhost (centos section 3)

HESIOD(3)				       Library Functions Manual 				    HESIOD(3)

NAME
hesiod_getmailhost, hesiod_free_postoffice - Hesiod functions for retrieving user to postoffice mappings
SYNOPSIS
#include <hesiod.h> struct hesiod_postoffice *hesiod_getmailhost(void *context, const char *user) void hesiod_free_postoffice(void *context, struct hesiod_postoffice *po) cc file.c -lhesiod
DESCRIPTION
This family of functions allows you to retrieve user to postoffice mappings using Hesiod. To perform lookups, you need an initialized Hesiod context; see hesiod(3) for details. Information is returned in a hes- iod_postoffice structure, which has the following fields: hesiod_po_type The type of postoffice box, typically ``POP''. hesiod_po_host The hostname where the postoffice box resides. hesiod_po_name The account name on the given postoffice server. It is the caller's responsibility to call hesiod_free_postoffice with the returned postoffice entry to free the resources used by the postoffice entry. Hesiod queries for postoffice information are made using the ``pobox'' Hesiod type, using the username as the Hesiod name. The corresponding entries should be space-separated lists of strings giving the type of postof- fice box, the hostname, and the account name.
RETURN VALUES
On failure, hesiod_getservbyname returns NULL and sets the global variable errno to indicate the error.
ERRORS
hesiod_getmailhost may fail for any of the reasons the routine hesiod_resolve may fail.
SEE ALSO
hesiod(3) 30 November 1996 HESIOD(3)


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