ISALPHA
Section: ¸®´ª½º ÇÁ·Î±×·¡¸Ó ¸Å´º¾ó (3)
Updated: 1995³â 9¿ù 2ÀÏ
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À̸§
isalnum, isalpha, isascii, isblank, iscntrl, isdigit, isgraph, islower,
isprint, ispunct, isspace, isupper, isxdigit - ¹®ÀÚ À¯Çüº° ·çƾµé
»ç¿ë¹ý
#include <ctype.h>
int isalnum (int c);
int isalpha (int c);
int isascii (int c);
int isblank (int c);
int iscntrl (int c);
int isdigit (int c);
int isgraph (int c);
int islower (int c);
int isprint (int c);
int ispunct (int c);
int isspace (int c);
int isupper (int c);
int isxdigit (int c);
¼³¸í
À̵é ÇÔ¼öµéÀº
unsigned char
³ª
EOF°ªÀ»
°¡Á®¾ß¸¸ ÇÏ´Â
c°¡
ÇöÀç ·ÎÄÉÀÏ¿¡ µû¶ó ¾î¶² ¹®ÀÚ Á¾·ù¿¡ µé¾î ÀÖ´ÂÁö¸¦ °Ë»çÇÑ´Ù.
- isalnum()
-
¾ËÆĺª µîÀÇ ¹®ÀÚ¿Í ¼ýÀÚ¸¦ °Ë»çÇÑ´Ù.; ÀÌ ÇÔ¼ö´Â
(isalpha(c) || isdigit(c))
°ú µ¿ÀÏÇÏ´Ù.
- isalpha()
-
¾ËÆĺª ¹®ÀÚ¸¦ °Ë»çÇÑ´Ù; Ç¥ÁØ "C" ·ÎÄÉÀÏ¿¡¼,
(isupper(c) || islower(c))
°ú µ¿ÀÏÇÏ´Ù.
¸î¸î ·ÎÄÉÀÏ¿¡¼,
isalpha()
°¡ ÂüÀÎ Ãß°¡ÀûÀÎ ¹®ÀÚµéÀÌ ÀÖ´Ù--´ë¹®ÀÚ³ª ¼Ò¹®ÀÚµµ ¾Æ´Ñ ¹®ÀÚµé.
- isascii()
-
c°¡ ASCII ¹®ÀÚ ÁýÇÕ¿¡ ¼ÓÇÏ´Â
7-bit
unsigned char
ÀÎÁö¸¦ °Ë»çÇÑ´Ù.
ÀÌ ÇÔ¼ö´Â BSD È®ÀåÀÌ¸ç ¶ÇÇÑ SVID È®ÀåÀÌ´Ù.
- isblank()
-
blank ¹®ÀÚÀÎÁö °Ë»çÇÑ´Ù.; Áï, ½ºÆäÀ̽º³ª ÅÇ.
ÀÌ ÇÔ¼ö´Â GNU È®ÀåÀÌ´Ù.
- iscntrl()
-
Á¦¾î ¹®ÀÚÀÎÁö °Ë»çÇÑ´Ù.
- isdigit()
-
¼ýÀÚ(0-9)ÀÎÁö °Ë»çÇÑ´Ù.
- isgraph()
-
½ºÆäÀ̽º¸¦ Á¦¿ÜÇÑ ÇÁ¸°Æ® °¡´É ¹®ÀÚÀÎÁö °Ë»çÇÑ´Ù.
- islower()
-
¼Ò¹®ÀÚÀÎÁö °Ë»çÇÑ´Ù.
- isprint()
-
½ºÆäÀ̽º¸¦ Æ÷ÇÔÇÑ ÇÁ¸°Æ® °¡´É ¹®ÀÚÀÎÁö °Ë»çÇÑ´Ù.
- ispunct()
-
½ºÆäÀ̽º³ª ¾ËÆĺªµî ¹®ÀÚ¿Í ¼ýÀÚ°¡ ¾Æ´Ñ ÇÁ¸°Æ® °¡´É ¹®ÀÚÀÎÁö °Ë»çÇÑ´Ù.
- isspace()
-
white-space¹®ÀÚ¸¦ °Ë»çÇÑ´Ù.
C
¿Í
POSIX
·ÎÄÉÀÏ¿¡¼, ¿©±â¿¡´Â: ½ºÆäÀ̽º, form-feed
('\f'),
´º ¶óÀÎ
('\n'),
ij¸®Áö ¸®ÅÏ
('\r'),
¼öÆò ÅÇ
('\t'),
±×¸®°í ¼öÁ÷ ÅÇ
('\v').
- isupper()
-
´ë¹®ÀÚÀÎÁö °Ë»çÇÑ´Ù.
- isxdigit()
-
16Áø¼ö ¼ýÀÚÀÎÁö¸¦ °Ë»çÇÑ´Ù. Áï
0 1 2 3 4 5 6 7 8 9 a b c d e f A B C D E F.
¹Ýȯ°ª
¸®ÅÏ °ªÀº ¸¸ÀÏ ¹®ÀÚ
c
°¡ Å×½ºÆ®µÇ´Â Á¾·ùÀ̸é 0ÀÌ ¾Æ´Ñ°ªÀÌ ±×·¸Áö ¾ÊÀ¸¸é 0 °ªÀ» ¹ÝȯÇÑ´Ù.
ȣȯ
ANSI - C, BSD 4.3.
isascii() ´Â BSD È®ÀåÀÌ¸ç ¶ÇÇÑ SVID È®ÀåÀÌ´Ù.
isblank() ´Â GNU È®ÀåÀÌ´Ù.
ÁÖÀÇ
Ŭ·¡½º¿¡ ¼ÓÇÑ ¹®ÀÚµéÀÇ ¼¼ºÎ»çÇ×Àº ÇöÀç ·ÎÄÉÀÏ¿¡ ÀÇÁ¸ÇÑ´Ù. ¿¹¸¦ µé¾î,
isupper()
´Â A¸¦ ÀνÃÇÏÁö ¸øÇÑ´Ù.-- ±âº»
C
·ÎÄÉÀÏ¿¡¼ ´ë¹®Àڷνá umlaut
°ü·Ã Ç׸ñ
tolower(3), toupper(3), setlocale(3), ascii(7), locale(7)
¿ªÀÚ
Á¤°ÈÆ <skyeyes@soback.kornet.net>, 2001³â 2¿ù 25ÀÏ
Index
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- »ç¿ë¹ý
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- ¼³¸í
-
- ¹Ýȯ°ª
-
- ȣȯ
-
- ÁÖÀÇ
-
- °ü·Ã Ç׸ñ
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- ¿ªÀÚ
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