ptsname

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Version: 2004-12-17 (openSuse - 09/10/07)

Section: 3 (Bibliothèques de fonctions)

Sommaire

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ptsname, ptsname_r - ¥¹¥ì¡¼¥Öµ¼»÷üËö¤Î̾Á°¤ò¼èÆÀ¤¹¤ë

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#define _XOPEN_SOURCE




#include <stdlib.h>



char *ptsname(int fd);



#define _GNU_SOURCE




#include <stdlib.h>



char *ptsname_r(int fd, char *buf, size_t buflen);

ÀâÌÀ

ptsname() ´Ø¿ô¤Ï fd ¤Ç»²¾È¤µ¤ì¤ë¥Þ¥¹¥¿µ¼»÷üËö (pts) ¥Ç¥Ð¥¤¥¹¤ËÂбþ¤¹¤ë ¥¹¥ì¡¼¥Öµ¼»÷üËö¥Ç¥Ð¥¤¥¹¤Î̾Á°¤òÊÖ¤¹¡£

ptsname_r() ´Ø¿ô¤Ï ptsname() ¤Î¥ê¥¨¥ó¥È¥é¥ó¥È¤Ê¥Ð¡¼¥¸¥ç¥ó¤Ç¤¢¤ë¡£ ¤³¤Î´Ø¿ô¤Ï¡¢¥¹¥ì¡¼¥Öµ¿»÷üËö¥Ç¥Ð¥¤¥¹¤Î̾Á°¤ò¡¢ NULL ¤Ç½ªÃ¼¤µ¤ì¤¿Ê¸»úÎó¤Î·Á¤Ç buf ¤Ç»ØÄꤵ¤ì¤¿¥Ð¥Ã¥Õ¥¡¤Ë³ÊǼ¤·¤ÆÊÖ¤¹¡£ buflen °ú¤­¿ô¤Ë¤Ï buf ¤Î¥Ð¥¤¥È¿ô¤ò»ØÄꤹ¤ë¡£

ÊÖ¤êÃÍ

À®¸ù¤Î¾ì¹ç¡¢ ptsname() ¤ÏÀÅŪµ­²±Îΰè¤Îʸ»úÎó¤Ø¤Î¥Ý¥¤¥ó¥¿¤òÊÖ¤¹¡£ ¤³¤Îµ­²±Îΰè¤Ï¤³¤Î¸å¤Î ptsname() ¤Î¸Æ¤Ó½Ð¤·¤Ç¾å½ñ¤­¤µ¤ì¤ë¡£ ¤³¤Î¥Ý¥¤¥ó¥¿¤ò free ¤·¤Æ¤Ï¤¤¤±¤Ê¤¤¡£ ¥¨¥é¡¼¤Î¾ì¹ç¤Ï NULL ¥Ý¥¤¥ó¥¿¤òÊÖ¤¹¡£

À®¸ù¤Î¾ì¹ç¡¢ ptsname_r() ¤Ï 0 ¤òÊÖ¤¹¡£ ¥¨¥é¡¼¤Î¾ì¹ç¡¢0 °Ê³°¤ÎÃͤòÊÖ¤·¡¢ errno ¤ò¥¨¥é¡¼¤ò¼¨¤¹ÃͤËÀßÄꤹ¤ë¡£

¥¨¥é¡¼

EINVAL
(ptsname_r() ¤Î¤ß) buf ¤¬ NULL ¤Ç¤¢¤ë¡£
ENOTTY
fd ¤¬¥Þ¥¹¥¿µ¿»÷üËö¥Ç¥Ð¥¤¥¹¤ò»²¾È¤·¤Æ¤¤¤Ê¤¤¡£
ERANGE
(ptsname_r() ¤Î¤ß) buf ¤¬¾®¤µ¤¹¤®¤ë¡£

½àµò

ptsname() ¤Ï Unix98 µ¿»÷üËö»ÅÍͤΰìÉô¤Ç¤¢¤ë (pts(4) ¤ò»²¾È¤Î¤³¤È)¡£¤³¤Î´Ø¿ô¤Ï POSIX.1-2001 ¤Çµ¬Äꤵ¤ì¤Æ¤¤¤ë¡£

ptsname_r() ¤Ï Linux ¤Ë¤è¤ë³ÈÄ¥¤Ç¤¢¤ë¡£ ¤³¤Î´Ø¿ô¤Ë¤Ä¤¤¤Æ¤Îµ­ºÜ¤¬¤¢¤ë¤â¤Î¤È¤·¤Æ Tru64 ¤È HP-UX ¤¬¤¢¤ë¤¬¡¢ ¤³¤ì¤é¤Î OS ¤Ç¤Î¼ÂÁõ¤Ç¤Ï¥¨¥é¡¼¤Î¾ì¹ç -1 ¤òÊÖ¤·¡¢ errno ¤Ë¥¨¥é¡¼¤ò¼¨¤¹ÃͤòÀßÄꤹ¤ë¡£ °Ü¿¢¤ò¹Íθ¤·¤¿¥×¥í¥°¥é¥à¤Ç¤Ï¤³¤Î´Ø¿ô¤Î»ÈÍѤÏÈò¤±¤ë¤³¤È¡£

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grantpt(3), posix_openpt(3), ttyname(3), unlockpt(3), pts(4), feature_test_macros(7), pty(7)