Linux Certif

Toute la documentation sur la certification Linux LPI

unlockpt

̾Á°

unlockpt - µ¼»÷üËö¥Þ¥¹¥¿/¥¹¥ì¡¼¥Ö¤Î¥Ú¥¢¤Î¥í¥Ã¥¯¤ò²ò½ü¤¹¤ë

½ñ¼°

#define _XOPEN_SOURCE




#include <stdlib.h>



int unlockpt(int fd);

ÀâÌÀ

unlockpt() ´Ø¿ô¤Ï fd ¤Ç»²¾È¤µ¤ì¤ë¥Þ¥¹¥¿µ¼»÷üËö¤ËÂбþ¤¹¤ë¥¹¥ì¡¼¥Öµ¼»÷üËö¤Î¥í¥Ã¥¯¤ò ²ò½ü¤¹¤ë¡£

µ¼»÷üËö¤Î¥¹¥ì¡¼¥Ö¦¤ò¥ª¡¼¥×¥ó¤¹¤ëÁ°¤Ë¡¢ unlockpt() ¤ò¸Æ¤Ó½Ð¤¹É¬Íפ¬¤¢¤ë¡£

ÊÖ¤êÃÍ

À®¸ù¤·¤¿¾ì¹ç¡¢ grantpt() ¤Ï 0 ¤òÊÖ¤¹¡£¤½¤¦¤Ç¤Ê¤¤¾ì¹ç¡¢-1 ¤òÊÖ¤·¡¢ errno ¤ËŬÀÚ¤ÊÃͤ¬¥»¥Ã¥È¤µ¤ì¤ë¡£

¥¨¥é¡¼

EBADF

°ú¤­¿ô fd ¤¬½ñ¤­¹þ¤ßÍѤ˥ª¡¼¥×¥ó¤µ¤ì¤¿¥Õ¥¡¥¤¥ë¡¦¥Ç¥£¥¹¥¯¥ê¥×¥¿¤Ç¤Ê¤¤¡£

EINVAL

°ú¤­¿ô fd ¤¬¥Þ¥¹¥¿µ¼»÷üËö¤ËÂбþ¤¹¤ë¤â¤Î¤Ç¤Ï¤Ê¤¤¡£

½àµò

POSIX.1-2001.

´ØÏ¢¹àÌÜ

grantpt(3), posix_openpt(3), ptsname(3), pts(4), feature_test_macros(7), pty(7)