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ALLOCA
Section: Linux Programmer's Manual (3)Updated: 29 November 1993
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alloca - ¥á¥â¥ê¤ò³ä¤êÉÕ¤±¤ë½ñ¼°
#include <stdlib.h>ÀâÌÀ
alloca ´Ø¿ô¤Ï¡¢ size ¥Ð¥¤¥È¤ÎÎΰè¤ò¸Æ½Ð¸µ¤Î¥¹¥¿¥Ã¥¯¡¦¥Õ¥ì¡¼¥à¤Ë³ä¤êÉÕ¤±¤ë¡£ ¤³¤Î¥Æ¥ó¥Ý¥é¥ê¡¼Îΰè¤Ï¡¢¸Æ½Ð¸µ¤¬ÊÖ¤ë¤È¤¤Ë¼«Æ°Åª¤Ë²òÊü¤µ¤ì¤ë¡£ÊÖ¤êÃÍ
alloca ´Ø¿ô¤Ï¡¢³ä¤êÉÕ¤±¤¿Îΰè¤Î»Ï¤Þ¤ê¤ò»Ø¤¹¥Ý¥¤¥ó¥¿¤òÊÖ¤¹¡£ ³ä¤êÉÕ¤±¤Ë¼ºÇÔ¤·¾ì¹ç¤Ë¤Ï¡¢ NULL ¥Ý¥¤¥ó¥¿¤¬ÊÖ¤µ¤ì¤ë¡£½àµò
32v, pwb, pwb.2, 3bsd, 4bsd¤Ë alloca ´Ø¿ô¤¬¡¢¤¢¤Ã¤¿¾Úµò¤¬¤¢¤ë¡£ BSD 4.3 ¤Ë¤Ï¡¢¥Þ¥Ë¥å¥¢¥ë¥Ú¡¼¥¸¤¬¤¢¤ë¡£ Linux ¤Ï¡¢GNUÈǤò»È¤Ã¤Æ¤¤¤ë¡£¥Ð¥°
alloca ´Ø¿ô¤Ï¡¢µ¡¼ï¤Ë°Í¸¤¹¤ë¡£´ØÏ¢¹àÌÜ
brk(2), pagesize(2), calloc(3), malloc(3), realloc(3)