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¼ÒºÐ·ù: ÆÄÀÏ Ãâ·Â
fprintf() ÀÛ¼ºÀÏ: 2001/08/26
¼öÁ¤ÀÏ: 2002/07/05

1. Çü½Ä: result= fprintf(fp, ¼­½Ä¹®ÀÚ¿­, ÀÎÀÚ3, ... , ÀÎÀÚN) 2. ±â´É: ÀÎÀÚ fp ÆÄÀÏ¿¡ ¼­½Ä¹®ÀÚ¿­ÀÇ ÇüÅ·ΠÀÎÀÚ3 ºÎÅÍ ÀÎÀÚN ±îÁö¸¦ Ãâ·ÂÇÑ´Ù. 3. ¼³¸í (1) ÀÎÀÚ fp´Â ÆÄÀÏ Æ÷ÀÎÅÍÀ̸ç ÆÄÀÏ °³¹æ½Ã ¾òÀº °ªÀ̾î¾ß ÇÏ°í ÆÄÀÏ Æ÷ÀÎÅÍ°¡ ¾Æ´Ï¸é ¿¡·¯ 󸮵Ǹç ÀÌ¹Ì Æó¼âµÈ ÆÄÀÏ Æ÷ÀÎÅÍÀÏ ¶§´Â °æ°í ¸Þ½ÃÁö¸¦ Ãâ·Â ÇÏ°í result¿¡ -1ÀÇ °ªÀ» µÇµ¹¸°´Ù. (2) ÀÌ ÇÔ¼ö´Â printf()ÇÔ¼öó·³ Ç¥ÁØÃâ·ÂÀ¸·Î Ãâ·ÂÀ» ÇÏÁö¾Ê°í ÇØ´ç ÆÄÀÏ·Î Ãâ·ÂÇÏ´Â °ÍÀÌ printf()ÇÔ¼ö¿Í ´Ù¸£´Ù. (3) resultÀÇ °ªÀÌ -1(EOF)À̸é Ãâ·Â½Ã ¿¡·¯°¡ ¹ß»ýÇÑ °ÍÀÌ´Ù. (4) resultÀÇ °ªÀÌ -1(EOF)ÀÌ ¾Æ´Ò¶§¿¡´Â Ãâ·ÂÇÑ byte¼öÀÌ´Ù. (5) ¼­½Ä(format)ÀÇ Á¾·ù - printf()ÇÔ¼ö¸¦ Âü°í (6) ¼­½Ä(format)ÀÇ Çü½Ä - printf()ÇÔ¼ö¸¦ Âü°í 4. »ç¿ë¿¹ fp= fopen("/dev/null", "w"); // ÆÄÀÏÀ» ¾²±â¸ðµå·Î °³¹æ if(fp==FILE_OPEN_ERR) // ¶Ç´Â if(fp==NULL) ¶Ç´Â if(!fp) { print("file open error!\n"); return; } fprintf(fp, "decimal=%d octal=%o hex=%x real=%f", 123,123,123,123.4); fprintf(fp, "(%.3ld)(%#o)(%#X)(%09.4b)", 1234567,123,123,96); fprintf(fp, "(%10.2f)(%10.1f)(%010.2f)(%-10.2f)", 5.67,5.67,5.67,5.67); fprintf(fp, "%.3ld", 123456789); fclose(fp); ------------------------------ [ Ãâ·Â°á°ú ] ------------------------------

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