SIMPLE SOLUTIONS

EXPLAIN_SETHOSTNAME_OR_DIE - reference manual online

Get/set hostname and report errors.

Chapter
explain_sethostname_or_die(3)        Library Functions Manual       explain_sethostname_or_die(3)

NAME explain_sethostname_or_die - get/set hostname and report errors
SYNOPSIS #include <libexplain/sethostname.h> void explain_sethostname_or_die(const char *name, size_t name_size); intexplain_sethostname_on_error(const char *name, size_t name_size);
DESCRIPTION The explain_sethostname_or_die function is used to call the sethostname(2) system call. On failure an explanation will be printed to stderr, obtained from the explain_sethostname(3) function, and then the process terminates by calling exit(EXIT_FAILURE). The explain_sethostname_on_error function is used to call the sethostname(2) system call. On failure an explanation will be printed to stderr, obtained from the explain_sethostā€ name(3) function, but still returns to the caller. name The name, exactly as to be passed to the sethostname(2) system call. name_size The name_size, exactly as to be passed to the sethostname(2) system call.
RETURN VALUE The explain_sethostname_or_die function only returns on success, see sethostname(2) for more information. On failure, prints an explanation and exits, it does not return. The explain_sethostname_on_error function always returns the value return by the wrapped sethostname(2) system call.
EXAMPLE The explain_sethostname_or_die function is intended to be used in a fashion similar to the following example: explain_sethostname_or_die(name, name_size);
SEE ALSO sethostname(2) get/set hostname explain_sethostname(3) explain sethostname(2) errors exit(2) terminate the calling process
explain_sethostname_or_die(3)
This manual Reference Other manuals
explain_sethostname_or_die(3) referred by explain(3) | explain_sethostname(3)
refer to _exit(2) | explain_sethostname(3) | gethostname(2)