(c primer plusµÚÎå°æ) ѧϰ±Ê¼Ç
µÚ¶þÕ cÓïÑÔ¸ÅÊö
Ò»¸ö¼òµ¥µÄʵÀý
#include <stdio.h>
int main(void)
{
int num; /*¶¨Òå±äÁ¿num*/
num = 1; /*¸ø±äÁ¿num¸³Öµ*/
printf("I am a simple"); /*ʹÓÃprintf()º¯Êý*/
printf("computer.\n");
printf("My favorite number is %d because it is first.\n",num);
return 0;
}
¼òµ¥·ÖÎöÈçÏ£º
µÚÒ»¸öÓï¾ä£º#include<stdio.h> ¸æËß±àÒëÆ÷±¾Ô´Îļþ°üº¬stdio.hÖеÄËùÓÐÐÅÏ¢°üº¬º¯Êý¡¢±äÁ¿µÈ
µÚ¶þ¸öÓï¾ä£ºint main(void) ¶¨Òåmainº¯ÊýÀàÐÍΪint,²»½ÓÊÜÈκβÎÊý(void)
µÚÈýºÍµÚËĸöÓï¾ä£º¶¨ÒåÁËintÀàÐͱäÁ¿num£¬²¢¸³Öµ¸ønum
µÚÎå¡¢ÁùºÍÆßÓï¾ä£ºµ÷ÓÃÁËstdio.hÎļþÖеÄprintf()º¯Êý
µÚÁù¸öÓï¾ä£º·µ»ØÓï¾ä£¬·µ»ØֵΪ0
ÉîÈë·ÖÎö£º
µÚÒ»£º#includeÊÇcÓïÑÔµÄÔ¤´¦ÀíÆ÷Ö¸Áî(preprocessor directive),c±à¼Æ÷ÔÚ±àÒëÇ°Òª¶ÔÔ´´úÂë×öһЩ׼±¸¹¤×÷£¬Õâ³ÆΪԤ´¦Àí
µÚ¶þ£ºint main()º¯Êý£¬¼¸ºõËùÓеÄc³ÌÐò¶¼ÊÇ´ÓÕâ¸öº¯Êý¿ªÊ¼Ö´Ðеģ¬main()ÊÇc³ÌÐòµÄ»ù±¾Ä£¿é , ¶øintÔòÉùÃ÷º¯Êý·µ»ØµÄÊÇÕûÊý£¬·µ»Ø¸ø²Ù×÷ϵͳ£¬ÆäËûÉùÃ÷mainµÄÐÎʽ£º
main() /* c90±ê×¼»áÖ§³ÖÕâÖÖÐÎʽ£¬c99Ôò²»Ö§³Ö£¬×îºÃ²»ÒªÕâÑùÉùÃ÷*/
Void main() /*ÎÞ·µ»ØÖµ£¬×îºÃÒ²²»ÒªÕâÑùÉùÃ÷ */
µÚÈý£ºint num ¶¨ÒåÁËÕûÐͱäÁ¿num£¬ÔÚc³ÌÐòÖÐ,ËùÓбäÁ¿ÔÚʹÓÃ֮ǰ±ØÐ붨Òå¶øÇÒ±ØÐë¸ø³öÀàÐÍ£¬²»È»±àÒëÆ÷ͨ²»¹ý£¬»áÌáʾ±àÒë´íÎó
µÚËÄ£ºµ÷ÓÃÁËcÓïÑÔ±ê×¼º¯Êýprintf()£¬ÆäÖÐÀ¨ºÅÀïÃæµÄÊDzÎÊý£¬µ±³ÌÐòµ÷ÓÃÁËprintf()º¯Êý£¬½«¿ØÖÆȨ½»¸øprinft()º¯Êý£¬µ±Íê³Éµ÷ÓÃÁË£¬¾Í½«¿ØÖÆȨ½»¸ømain()º¯Êý
×îºóÒ»¸öÓï¾ä£ºreturn 0;ÒòΪmainº¯ÊýÊÇÕûÊýÀàÐÍ£¬ËùÒÔ±ØÐë·µ»ØÒ»¸öÕûÊýÀàÐ͵ÄÖµ£¬Ã»Óиø³ö·µ»ØÓï¾ä£¬Ïà¶Ôc99±ê×¼À´Ëµ±àÒëÆ÷»áÌáʾ±àÒë´íÎó
Ïà¹ØÎĵµ£º
ÔÚANSI±ê×¼»¯ºó£¬CÓïÑԵıê×¼ÔÚÒ»¶ÎÏ൱µÄʱ¼äÄÚ¶¼±£³Ö²»±ä£¬¾¡¹ÜC++¼ÌÐøÔڸĽø¡££¨Êµ¼ÊÉÏ£¬Normative Amendment1ÔÚ1995ÄêÒѾ¿ª·¢ÁËÒ»¸öеÄCÓïÑÔ°æ±¾¡£µ«ÊÇÕâ¸ö°æ±¾ºÜÉÙΪÈËËùÖª¡££©±ê×¼ÔÚ90Äê´ú²Å¾ÀúÁ˸Ľø£¬Õâ¾ÍÊÇISO9899:1999£¨1999Äê³ö°æ£©¡£Õâ¸ö°æ±¾¾ÍÊÇͨ³£Ìá¼°µÄC99¡£Ëü±»ANSIÓÚ2000ÄêÈýÔ²ÉÓá£
¡¡¡¡ÔÚC99ÖаüÀ ......
#include "stdio.h"
#include "malloc.h"
typedef int elemtype;
struct node
{
elemtype data;
struct node *next;
};
typedef struct node NODE;
NODE * creat(NODE *head)
{
NODE *p,*q;
elemtype i;
head=(NODE*)malloc(sizeof(NODE));
scanf("%d",&(head->data));
p=head;
......
[×¢]£º×î½üÔÚ×öUVCÃèÊö·ûµÄ±à¼¹¤¾ß£¬Óõ½ºÜ¶àµÄ½á¹¹£¬ÎªÁË·½±ã°Ñ½á¹¹Ìåд³ÉbinÎļþ£¬ÐèÒª°Ñ½á¹¹ÌåÖÐÌî³äµÄ×Ö½ÚÈ¥µô£¬ÔÚÍøÉÏËÑË÷µÃµ½ÕâƪÎÄÕ£¬¸Ð¾õͦºÃµÄ£¬×ª¹ýÀ´×ö¸ö¼ÍÄî¡£
½á¹¹Ìå(struct)µÄsizeofÖµ£¬²¢²»ÊǼòµ¥µÄ½«ÆäÖи÷ÔªËØËùÕ¼×Ö½ÚÏà¼Ó£¬¶øÊÇÒª¿¼Âǵ½´æ´¢¿Õ¼äµÄ×Ö½Ú¶ÔÆëÎÊÌâ¡£ÏÈ¿´ÏÂÃ涨ÒåµÄÁ½¸ö½á¹¹Ìå.
struct
......
ÔÚLinuxÏÂд³ÌÐò£¬Óöµ½Ò»¸öº¯Êý²»ÖªµÀÔõôÓþ͵ÃÉÏÍøÈ¥²é£¬Ã»ÓÐÀàËÆMSDNÖ®ÀàµÄÈí¼þ£¬·³µÃºÜ¡£¿´µ½ÍøÉϺܶàÈ˶¼ËµÓÃmanºÜ·½±ã£¬Ö»ÒªmanÒ»ÏÂÄãÏëÁ˽âµÄº¯Êý¾ÍÐÐÁË£¬¿ÉÎÒÔÚmanÖ®ºóʲô¶¼µÃ²»µ½£¬±ÈÈç man printf£¬½á¹û¾ÍÊÇûÓÐÈë¿Ú
½ñÌìרÃÅÉÏÍøËÑÁËÏ£¬·¢ÏÖÔÀ´ÊÇÒòΪUbuntuĬÈÏûÓÐ×°manpages-dev£¬¶øº¯Êý¶¼ÔÚÕâ¸ö°üÀ°ÑÕ ......