setenv

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Version: 2004-05-09 (openSuse - 09/10/07)

Section: 3 (Bibliothèques de fonctions)

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setenv - ´Ä¶­ÊÑ¿ô¤òÊѹ¹¤Þ¤¿¤ÏÄɲ乤ë

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#include <stdlib.h>



int setenv(const char *name, const char *value, int overwrite);



int unsetenv(const char *name);

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unsetenv() ´Ø¿ô¤Ï¡¢ÊÑ¿ô name ¤ò´Ä¶­¤«¤éºï½ü¤¹¤ë¡£

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EINVAL
name ¤Ë '=' ʸ»ú¤¬´Þ¤Þ¤ì¤Æ¤¤¤ë¡£

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4.3BSD, POSIX.1-2001.

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glibc 2.2.2 °ÊÁ°¤Ç¤Ï¡¢ unsetenv() ¤Ï ÊÖ¤êÃͤ¬ void ¤Î¥×¥í¥È¥¿¥¤¥×¤Ç¤¢¤Ã¤¿¡£ ¤â¤Ã¤ÈºÇ¶á¤Î glibc ÈǤϡ¢¡Ö½ñ¼°¡×¥»¥¯¥·¥ç¥ó¤Ç¼¨¤·¤Æ¤¤¤ë¤è¤¦¤Ë POSIX.1-2001 ¸ß´¹¤Î¥×¥í¥È¥¿¥¤¥×¤Ç¤¢¤ë¡£

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POSIX.1-2001 ¤Ç¤Ï ¡Öname ¤Ë '=' ʸ»ú¤¬´Þ¤Þ¤ì¤ë¾ì¹ç¡¢ setenv() ¤Ï¥¨¥é¡¼ EINVAL ¤Ç¼ºÇÔ¤¹¤Ù¤­¤Ç¤¢¤ë¡×¤È½Ò¤Ù¤é¤ì¤Æ¤¤¤ë¡£ ¤·¤«¤· 2.3.4 ¤è¤êÁ°¤Î¥Ð¡¼¥¸¥ç¥ó¤Î glibc ¤Ç¤Ï¡¢ name ¤Ë '=' ʸ»ú¤¬´Þ¤Þ¤ì¤ë¤Î¤òµö¤·¤Æ¤¤¤ë¡£

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clearenv(3), getenv(3), putenv(3), environ(7)