̾??

gethostname, sethostname — ???ߤΥۥ??Ȥ?̾???μ??? / ????

?饤?֥???

Standard C Library (libc, -lc)

????

<unistd.h> int gethostname(char *name, int namelen) int sethostname(const char *name, int namelen)

????

gethostname() ?? sethostname() ?ˤ??ä????????ꤵ?줿?????ߤΥץ????å???ɸ???Υۥ???̾???֤??ޤ????ѥ??᡼?? namelen ?? name ?????Υ??????????ꤷ?ޤ??? ???ѤǤ??????֤??Խ?ʬ?ʾ??????????ơ??֤?????̾???ϥ̥??ǽ??????ޤ???

sethostname() ?ϡ?Ĺ?? namelen ?? name ?Ȥ??????ۥ??ȥޥ???̾?????ꤷ?ޤ??? ???θƤӽФ??ϥ????ѥ桼???˸??ꤵ?졢 ?̾??ϥ????ƥ??Υ֡??ȥ??ȥ??å׻??ˤ????¹Ԥ????ޤ???

??????

Upon successful completion, the value 0 is returned; otherwise the value -1 is returned and the global variable errno is set to indicate the error.

???顼

???????θƤӽФ??ˤ??äơ????Υ??顼???֤????礬?????ޤ???

[EFAULT]

name ?ޤ??? namelen ?ѥ??᡼??????̵???ʥ??ɥ쥹??Ϳ???ޤ?????

[EPERM]

?ƤӽФ??????ۥ???̾?????ꤷ?褦?Ȥ??ޤ??????? ?????ѥ桼???ǤϤ????ޤ????Ǥ?????

??Ϣ????

gethostid(3), sysctl(3)

?Х?

?ۥ???̾??Ĺ???? MAXHOSTNAMELEN ( ⟨sys/param.h⟩ ????????) ʸ???????¤????Ƥ??ꡢ ???ߤ??????? 256 ʸ???Ǥ??? ????ʸ???ˤ??????? ?̥? ???ޤߤޤ???

????

gethostname() ?ؿ??ϡ? 4.2BSD ?ǤϤ??????о줷?ޤ?????