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| explain_getdomainname_or_die(3) | FreeBSD Library Functions Manual | explain_getdomainname_or_die(3) |
NAME
explain_getdomainname_or_die - get domain name and report errorsSYNOPSIS
#include <libexplain/getdomainname.h>void explain_getdomainname_or_die(char *data, size_t data_size);
int explain_getdomainname_on_error(char *data, size_t data_size);
DESCRIPTION
The explain_getdomainname_or_die function is used to call the getdomainname(2) system call. On failure an explanation will be printed to stderr, obtained from the explain_getdomainname(3) function, and then the process terminates by calling exit(EXIT_FAILURE).The explain_getdomainname_on_error function is used to call the getdomainname(2) system call. On failure an explanation will be printed to stderr, obtained from the explain_getdomainname(3) function, but still returns to the caller.
- data
- The data, exactly as to be passed to the getdomainname(2) system call.
- data_size
- The data_size, exactly as to be passed to the getdomainname(2) system call.
RETURN VALUE
The explain_getdomainname_or_die function only returns on success, see getdomainname(2) for more information. On failure, prints an explanation and exits, it does not return.The explain_getdomainname_on_error function always returns the value return by the wrapped getdomainname(2) system call.
EXAMPLE
The explain_getdomainname_or_die function is intended to be used in a fashion similar to the following example:explain_getdomainname_or_die(data, data_size);
SEE ALSO
- getdomainname(2)
- get domain name
- explain_getdomainname(3)
- explain getdomainname(2) errors
- exit(2)
- terminate the calling process
COPYRIGHT
libexplain version 1.3Copyright (C) 2009 Peter Miller
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