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strftime
Langue: ja
Version: 2005-11-23 (openSuse - 09/10/07)
Section: 3 (Bibliothèques de fonctions)
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strftime - ÆüÉÕ¤ª¤è¤Ó»þ¹ï¤Îʸ»úÎó¤Ø¤ÎÊÑ´¹½ñ¼°
#include <time.h> size_t strftime(char *s, size_t max, const char *format, const struct tm *tm);
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- %a
- ¸½ºß¤Î¥í¥±¡¼¥ë¤Ë¤ª¤±¤ëÍËÆü¤Î¾Êά̾¡£
- %A
- ¸½ºß¤Î¥í¥±¡¼¥ë¤Ë¤ª¤±¤ëÍËÆü¤Î´°Á´¤Ê̾Á°¡£
- %b
- ¸½ºß¤Î¥í¥±¡¼¥ë¤Ë¤ª¤±¤ë·î¤Î¾Êά̾¡£
- %B
- ¸½ºß¤Î¥í¥±¡¼¥ë¤Ë¤ª¤±¤ë·î¤Î´°Á´¤Ê̾Á°¡£
- %c
- ¸½ºß¤Î¥í¥±¡¼¥ë¤Ë¤ª¤¤¤Æ°ìÈÌŪ¤ÊÆüÉÕ¡¦»þ¹ï¤Îɽµ¡£
- %C
- À¤µª (À¾Îñǯ¤Î¾å 2 ·å)¡£ (SU)
- %d
- ·îÆâÄÌ»»Æü (10 ¿Ê¿ôɽµ) (01-31)¡£
- %D
- %m/%d/%y ¤ÈÅù²Á¡£(¤¦¤¨¤Ã¡¢¥¢¥á¥ê¥«ÀìÍѤÀ¡£¥¢¥á¥ê¥«°Ê³°¤Î¹ñ¤Ç¤Ï %d/%m/%y ¤ÎÊý¤¬°ìÈÌŪ¤À¡£¤Ä¤Þ¤ê¡¢ÆüÉդˤè¤Ã¤Æ¤Ï¤É¤Á¤é¤«È½ÃǤǤ¤Ê¤¤ ¤Î¤Ç¹ñºÝ²½¤µ¤ì¤¿Ê¸Ì®¤Ç¤Ï»ÈÍѤ·¤Ê¤¤¤Û¤¦¤¬¤¤¤¤¡£) (SU)
- %e
- %d ¤ÈƱÍͤ˷îÆâÄÌ»»Æü¤ò 10 ¿Ê¿ô¤Çɽ¸½¤¹¤ë¤¬¡¢ 1 ·å¤Î¾ì¹ç 10 ¤Î°Ì¤Ë¥¼¥í¤òÃÖ¤«¤º¥¹¥Ú¡¼¥¹¤òÃÖ¤¯¡£(SU)
- %E
- ÊÌ·Á¼°¤ò»ÈÍѤ¹¤ëºÝ¤Î½¤¾þ»Ò¡£²¼µ»²¾È¡£ (SU)
- %F
- %Y-%m-%d ¤ÈÅù²Á (ISO 8601 ·Á¼°¤ÎÆüÉÕ¥Õ¥©¡¼¥Þ¥Ã¥È)¡£ (C99)
- %G
- ISO 8601 ·Á¼°¤Îǯ (À¤µª¤â 10 ¿Ê¿ô¤Çɽ¤¹)¡£ ISO ½µ¿ô (%V ¤ò»²¾È) ¤ËÂбþ¤·¤¿ 4 ·å¤ÎÀ¾Îñǯ¡£ ¤³¤ì¤Ï´ðËÜŪ¤Ë¤Ï %y ¤ÈƱ¤¸·Á¼°¤À¤¬¡¢ISO ½µ¿ô¤¬Á°Ç¯¤äÍâǯ¤Ë¤Ê¤ë ¾ì¹ç¤Ë¤Ï¤½¤Îǯ¤¬»ÈÍѤµ¤ì¤ë¡£(TZ)
- %g
- %G ¤ÈƱÍÍ¡£Ã¢¤·¡¢À¤µª¤ò´Þ¤Þ¤º²¼ 2 ·å¤Î¤ß¤òɽ¼¨ (00-99)¡£ (TZ)
- %h
- %b ¤ÈÅù²Á (SU)
- %H
- 24 »þ´Öɽµ¤Ç¤Î»þ (hour)¡£ (00-23)
- %I
- 12 »þ´Öɽµ¤Ç¤Î»þ (hour)¡£ (01-12)
- %j
- ǯ¤Î½é¤á¤«¤éÄÌ»»¤ÎÆü¿ô¡£ (001-366)
- %k
- 24 »þ´Öɽµ¤Ç¤Î»þ (0-23)¡£ 1 ·å¤Î¾ì¹ç¤Ë¤ÏÁ°¤Ë¥¼¥í¤Ç¤Ê¤¯¥¹¥Ú¡¼¥¹¤¬ÃÖ¤«¤ì¤ë¡£(%H ¤â»²¾È) (TZ)
- %l
- 12 »þ´Öɽµ¤Ç¤Î»þ (0-12)¡£ 1 ·å¤Î¾ì¹ç¤Ë¤ÏÁ°¤Ë¥¼¥í¤Ç¤Ê¤¯¥¹¥Ú¡¼¥¹¤¬ÃÖ¤«¤ì¤ë¡£(%I ¤â»²¾È) (TZ)
- %m
- ·î (10 ¿Ê¿ôɽµ)¡£ (01-12)
- %M
- ʬ (10 ¿Ê¿ôɽµ) (00-59)
- %n
- ²þ¹Ô¡£ (SU)
- %O
- ÊÌ·Á¼°¤ò»ÈÍѤ¹¤ëºÝ¤Î½¤¾þ»Ò¡£°Ê²¼¤ò»²¾È¡£(SU)
- %p
- ¸½ºß¤Î¥í¥±¡¼¥ë¤Ë¤ª¤±¤ë¡Ö¸áÁ°¡×¡Ö¸á¸å¡×¤ËÁêÅö¤¹¤ëʸ»úÎó¡£ ±Ñ¸ì¤Î¾ì¹ç¤Ë¤Ï 'AM' ¤Þ¤¿¤Ï 'PM' ¤È¤Ê¤ë¡£ Àµ¸á¤Ï¸á¸å¡¢¿¿ÌëÃæ¤Ï¸áÁ°¤È¤·¤Æ°·¤ï¤ì¤ë¡£
- %P
- %p ¤ÈƱÍͤǤ¢¤ë¤¬¾®Ê¸»ú¤¬»ÈÍѤµ¤ì¤ë¡£ ±Ñ¸ì¤Î¾ì¹ç¤Ë¤Ï 'am' ¤ä 'pm' ¤È¤Ê¤ë¡£(GNU)
- %r
- ¸áÁ°¡¦¸á¸å·Á¼°¤Ç¤Î»þ¹ï¡£ POSIX ¥í¥±¡¼¥ë¤Ç¤Ï `%I:%M:%S %p' ¤ÈÅù²Á¤Ç¤¢¤ë¡£(SU)
- %R
- 24 »þ´Öɽµ¤Ç¤Î»þ¹ï¡¢ÉäÏɽ¼¨¤·¤Ê¤¤ (%H:%M)¡£(SU) Éäò´Þ¤ó¤À¤â¤Î¤Ï°Ê²¼¤Î %T ¤ò»²¾È¤¹¤ë¤³¤È¡£
- %s
- µª¸µ (1970ǯ 1 ·î 1 Æü 00:00:00 UTC) ¤«¤é¤ÎÉÿô¡£ (TZ)
- %S
- Éà (10 ¿Ê¿ôɽµ) (00-60) (»þ¡¹¤¢¤ë±¼ÉäËÂбþ¤¹¤ë¤¿¤á¡¢ÃͤÎÈÏ°Ï¤Ï 60 ¤Þ¤Ç¤È¤Ê¤Ã¤Æ¤¤¤ë)
- %t
- ¥¿¥Öʸ»ú (SU)
- %T
- 24 »þ´Öɽµ¤Î»þ´Ö (%H:%M:%S) (SU)
- %u
- ½µ¤Î²¿ÈÖÌܤÎÆü (10 ¿Ê¿ôɽµ) ¤«¡£·îÍËÆü¤ò 1 ¤È¤¹¤ë (1-7)¡£ %w ¤â»²¾È¡£(SU)
- %U
- ǯ¤Î½é¤á¤«¤é¤ÎÄÌ»»¤Î½µ¿ô (10 ¿Ê¿ôɽµ) (00-53)¡£ ¤½¤Îǯ¤ÎºÇ½é¤ÎÆüÍËÆü¤ò¡¢Âè 1 ½µ¤Î»Ï¤Þ¤ê¤È¤·¤Æ·×»»¤¹¤ë¡£ %V ¤È %W ¤â»²¾È¤¹¤ë¤³¤È¡£
- %V
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- ½µ¤Î²¿ÈÖÌܤÎÆü (10 ¿Ê¿ôɽµ) ¤«¡£ÆüÍËÆü¤ò 0 ¤È¤¹¤ë¡£(0-6)¡£ %u ¤â»²¾È¡£(SU)
- %W
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- %y
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- %Y
- À¤µªÉôʬ¤ò´Þ¤á¤¿ ( 4 ·å¤Î) À¾Îñǯ¡£
- %z
- ¥¿¥¤¥à¥¾¡¼¥ó¤Î GMT ¤Ø¤Î¥ª¥Õ¥»¥Ã¥È»þ´Ö¡£ RFC 822 ·Á¼°¤ÎÆü»þ¤ËɬÍפǤ¢¤ë¡£ ("%a, %d %b %Y %H:%M:%S %z" ¤È¤·¤Æ»ÈÍѤ¹¤ë)¡£(GNU)
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- date(1) ·Á¼°¤Ç¤ÎÆü»þ¡£(TZ) (glibc2 ¤Ç¤Ï¥µ¥Ý¡¼¥È¤µ¤ì¤Æ¤¤¤Ê¤¤)
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gcc ¤Î¤¤¤¯¤Ä¤«¤Î¥Ð¡¼¥¸¥ç¥ó¤Ë¤Ï¤ª¤«¤·¤Ê¤È¤³¤í¤¬¤¢¤ê¡¢ %c ¤Î»ÈÍÑË¡¤Ë¤Ä¤¤¤Æ°Ê²¼¤Î¤è¤¦¤Ê·Ù¹ð¤ò½Ð¤¹: warning: `%c' yields only last 2 digits of year in some locales (·Ù¹ð:¤¤¤¯¤Ä¤«¤Î¥í¥±¡¼¥ë¤Ç¤Ï`%c'¤Ïǯ¤Î²¼2·å¤·¤«½ÐÎϤ·¤Ê¤¤)¡£ ¤â¤Á¤í¤ó¥×¥í¥°¥é¥Þ¤¬ %c ¤ò»È¤¦¤Î¤Ï¤ªÁ¦¤á¤Ç¤¤ë¤³¤È¤Ç¤¢¤ë¡£ %c ¤ò»È¤¦¤ÈŬÀÚ¤ÊÆüÉդȻþ¹ï¤Îɽµ¤òÆÀ¤ë¤³¤È¤¬¤Ç¤¤ë¤«¤é¤Ç¤¢¤ë¡£ gcc ¤Î¤³¤ÎÌäÂê¤ò²óÈò¤·¤è¤¦¤È¤¹¤ë¤È¡¢²¿¤«¤¹¤Ã¤¤ê¤·¤Ê¤¤µ¤Ê¬¤Ë¤Ê¤ë¤À¤í¤¦¡£ Èæ³ÓŪ¤¤ì¤¤¤Ê²ò·èÊýË¡¤Ï°Ê²¼¤Î¤è¤¦¤ÊÃæ´Ö´Ø¿ô¤òÄɲ乤뤳¤È¤Ç¤¢¤ë¡£size_t my_strftime(char *s, size_t max, const char *fmt, const struct tm *tm) { return strftime(s, max, fmt, tm); }
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°Ê²¼¤Î¥×¥í¥°¥é¥à¤ò»È¤¦¤È strftime() ¤Î¼Â¸³¤¬¤Ç¤¤ë¡£#include <time.h> #include <stdio.h> #include <stdlib.h> int main(int argc, char *argv[]) { char outstr[200]; time_t t; struct tm *tmp; t = time(NULL); tmp = localtime(&t); if (tmp == NULL) { perror("localtime"); exit(EXIT_FAILURE); } if (strftime(outstr, sizeof(outstr), argv[1], tmp) == 0) { fprintf(stderr, "strftime returned 0"); exit(EXIT_FAILURE); } printf("Result string is \"%s\"\n", outstr); exit(EXIT_SUCCESS); } /* main */
°Ê²¼¤Ë¡¢ strftime() ¤Î glibc ¼ÂÁõ¤¬À¸À®¤¹¤ë·ë²Ì¤ÎÎã¤ò¤¤¤¯¤Ä¤«¼¨¤¹:
$ ./a.out "%m" Result string is "11" $ ./a.out "%5m" Result string is "00011" $ ./a.out "%_5m" Result string is " 11"
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date(1), time(2), ctime(3), setlocale(3), sprintf(3), strptime(3)Contenus ©2006-2024 Benjamin Poulain
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