http://www.hackerschool.org/HS_Boards/zboard.php?id=QNA_programming&no=315 [º¹»ç]
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int Gozilla(int a);
¿¡¼ ¾Õ¿¡ int ´Â return ÇÒ¶§ intÇüº¯¼ö°ªÀ» º¸³½´Ù´Â°ÍÀÌ°í
()¾È¿¡ int ´Â ÇÔ¼ö¾È¿¡ intÇüÀÇ º¯¼ö¸¦ ´ëÀÔÇÑ´Ù´Â ¶æ ¸Â³ª¿ä?
³×.. Á»´õ Á¤È®È÷ ¸»ÇÏÀÚ¸é ()¾È¿¡ int´Â Gozilla ÇÔ¼ö°¡ intÇüÀÇ º¯¼ö¾È¿¡ µé¾îÀÖ´Â °ªÀ» Àμö·Î ¹Þ´Â´Ù´Â ¶æÀÔ´Ï´Ù.
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±×¸®°í main()ÇÔ¼ö ¾È¿¡¼ x¶ó´Â ÇÔ¼ö¸¦ È£ÃâÇß´Ù°í °¡Á¤ÇßÀ»¶§
x¶ó´Â ÇÔ¼öÁ¤ÀǸ¦ main()¾È¿¡¼ Á¤ÀÇ Çعö¸±¼öµµ ÀÖ³ª¿ä?
Á¦°¡ º¸´Â Ã¥¼Ó ¿¹Á¦´Â main()ÇÔ¼ö ¹Û¿¡¼ ÇÔ¼öÁ¤ÀǸ¦ ÇÏ´õ¶ó±¸¿ä.
main ÇÔ¼ö ¾È¿¡ Á¤ÀÇÇÒ¼ö ¾ø½À´Ï´Ù.
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(ÇÔ¼öµéÀ» mainÇÔ¼ö ¾È¿¡¼ »ç¿ëÇϴ°ÍÀ» Áï, È£ÃâÇÏ´Ù ¶ó°í ÇÕ´Ï´Ù.)
»ç¿ëÀÚ°¡ Á÷Á¢ ¸¸µç ÇÔ¼öÀÇ Á¤ÀÇ´Â mainÇÔ¼ö ¹Û¿¡ ÇØ¾ß ÇÕ´Ï´Ù.
±×¸®°í º¸Åë Ã¥¿¡´Â ±×¸®°í ÀϹÝÀûÀ¸·Î
main ÇÔ¼öÀü¿¡ ÇÔ¼ö¿øÇü¼±¾ð(function prototype announce)¸¦
¸ÕÀú ÇÏ°í mainÇÔ¼ö°¡ ³¡³ª¸é ÇÔ¼öÁ¤ÀÇ(function define)¸¦ ÇÏÁÒ.
ÇÏÁö¸¸ ÇÔ¼ö¿øÇü¼±¾ð°ú µ¿½Ã¿¡ ÇÔ¼öÁ¤ÀǸ¦ ÇÒ¼ö ÀÖ½À´Ï´Ù.
ex) ÇÔ¼ö¿øÇü¼±¾ð °ú ÇÔ¼öÁ¤ÀǸ¦ µ¿½Ã¿¡ Çϴ°æ¿ì.
#include <stdio.h>
int sum(int a, int b)
{
int sum_end;
sum_end = a+b;
return sum_end;
}
int main(void)
{
int value;
value = sum(1,2);
printf("%d",value);
return 1;
} |
Hit : 3786 Date : 2004/01/13 11:23
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