Linux Certif

Toute la documentation sur la certification Linux LPI

getpt

̾Á°

getpt - µ¼»÷üËö¥Þ¥¹¥¿ (PTM) ¤ò¥ª¡¼¥×¥ó¤¹¤ë

½ñ¼°

#include <stdlib.h>



int getpt(void)

ÀâÌÀ

getpt() ¤Ï¡¢µ¼»÷üËö¥Þ¥¹¥¿¤ò¥ª¡¼¥×¥ó¤·¡¢¤½¤Î¥Õ¥¡¥¤¥ë¡¦¥Ç¥£¥¹¥¯¥ê¥×¥¿¤òÊÖ¤¹¡£ ¤³¤ì¤Ï¡¢ Linux ¥·¥¹¥Æ¥à¤Ë¤ª¤¤¤Æ¤Ï open(/dev/ptmx,O_RDWR|O_NOCTTY) ¤ÈÅù²Á¤Ç¤¢¤ë¡£Ã¢¤·¡¢ GNU Libc ¤ò»ÈÍѤ·¤Æ¤¤¤Æ¤â¡¢ µ¼»÷üËö¥Þ¥¹¥¿¤¬¤É¤³¤«Â¾¤Î¾ì½ê¤Ë¤¢¤ë¥·¥¹¥Æ¥à¤â¤¢¤ë¡£

ÊÖ¤êÃÍ

À®¸ù¤·¤¿¾ì¹ç¡¢ getpt() ¤Ï¥ª¡¼¥×¥ó¤·¤¿¥Õ¥¡¥¤¥ë¤Î¥Ç¥£¥¹¥¯¥ê¥×¥¿¤òÊÖ¤¹¡£ ¤½¤¦¤Ç¤Ê¤¤¾ì¹ç¡¢-1 ¤òÊÖ¤·¡¢ errno ¤Ë¥¨¥é¡¼¤ò¼¨¤¹Ãͤ¬¥»¥Ã¥È¤µ¤ì¤ë¡£

½àµò

getpt() ¤Ï GNU Libc Æȼ«¤Ç¤¢¤ë¡£

´ØÏ¢¹àÌÜ

grantpt(3), ptsname(3), posix_openpt(3), unlockpt(3), ptmx(4), pty(7)