Linux Certif

Toute la documentation sur la certification Linux LPI

iswalnum

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#include <wctype.h>



int iswalnum(wint_t wc);

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iswalnum() ´Ø¿ô¤Ï¡¢ isalnum(3) ¤ËÂбþ¤¹¤ë¥ï¥¤¥Éʸ»ú´Ø¿ô¤Ç¤¢¤ë¡£ ¤³¤Î´Ø¿ô¤Ï¡¢¤¢¤ë¥ï¥¤¥Éʸ»ú¤¬Ê¸»ú¥¯¥é¥¹ "alnum" ¤Ë°¤¹¤ë¤«¤É¤¦¤«¤òÄ´¤Ù ¤ë¡£

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¥ï¥¤¥Éʸ»ú¥¯¥é¥¹ "alnum" ¤Ï¡¢¥ï¥¤¥Éʸ»ú¥¯¥é¥¹ "punct" ¤È¶¦ÄÌÉôʬ¤ò»ý¤¿¤Ê¤¤¡£

¥ï¥¤¥Éʸ»ú¥¯¥é¥¹ "alnum" ¤Ï¡¢¥ï¥¤¥Éʸ»ú¥¯¥é¥¹ "alpha" ¤È "digit" ¤ÎÏ ½¸¹ç¤Ç¤¢¤ë¡£¤·¤¿¤¬¤Ã¤Æ¡¢¤³¤Î¥¯¥é¥¹¤Ï¥ï¥¤¥Éʸ»ú¥¯¥é¥¹ "xdigit" ¤â´Þ¤à¡£

¥ï¥¤¥Éʸ»ú¥¯¥é¥¹ "alnum" ¤Ï¡¢¾¯¤Ê¤¯¤È¤â 'A' ¤«¤é 'Z', 'a' ¤«¤é 'z' ¤Þ¤Ç¤Îʸ»ú¤È '0' ¤«¤é '9' ¤Þ¤Ç¤Î¿ô»ú¤ò¾ï¤Ë´Þ¤à¡£

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iswalnum() ´Ø¿ô¤Ï¡¢wc ¤¬Ê¸»ú¥¯¥é¥¹ "alnum" ¤Ë°¤¹¤ë¥ï¥¤¥Éʸ»ú ¤Ê¤é¤Ð 0 ¤Ç¤Ê¤¤ÃͤòÊÖ¤¹¡£¤½¤ì°Ê³°¤Î¾ì¹ç¤Ë¤Ï 0 ¤òÊÖ¤¹¡£

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iswalnum() ¤ÎÆ°ºî¤Ï¡¢¸½ºß¤Î¥í¥±¡¼¥ë¤Î LC_CTYPE ¥«¥Æ¥´¥ê¤Ë°Í¸¤¹¤ë¡£

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isalnum(3), iswctype(3)