C_Êý¾ÝÀàÐÍת»»
Ô´Âë:
# include <stdio.h>
int main()
{
/* ¶¨Òå±äÁ¿²¢¸³³õÖµ */
int a = 5;
char c = 'a'; // 'a'µÄASCÂëµÄֵΪ97
float f = 5.3;
double m = 12.65;
double result;
/* ͬÀàÐÍÊý¾Ý¼ä½øÐÐÔËËã²¢Êä³ö½á¹û */
printf("a + c = %d\n", a + c); // 97+5=102
printf("a + c = %c\n", a + c); // 102¶ÔÓ¦µÄASCIIÂë×Ö·ûΪ'f'
printf("f + m = %f\n", f + m); // 5.3+12.65=17.95
/* ²»Í¬ÀàÐÍÊý¾Ý¼ä½øÐÐÔËËã²¢Êä³ö½á¹û */
printf("a + m = %f\n", a + m); //5+12.65=17.65
printf("c + f = %f\n", c + f); //97+5.3=102.3
/* ½«ÉÏÊöËĸö±äÁ¿½øÐлìºÏÔËË㣬²¢Êä³ö½á¹û */
result = a + c * (f + m);
printf("double = %f\n", result); //5+97*(5.3+12.65)=1746.15
return 0;
}
Ïà¹ØÎĵµ£º
ÏÂÃæÕâ¸ö³ÌÐòÊä³öʲô£¿
enum {false,true};
int main()
{
int i=1;
do
{
printf("%d\n",i);
i++;
if(i < 15)
continue;
}while(false);
return 0;
}
ÄãÏàÐÅô£¿Ï ......
www.us-ip.com
ÃÀ¹úרÀû·¨Ìõ¿î102(c),102(d)
35 U.S.C. 102:
A person shall be entitled to a patent unless -
(c) he has abandoned the invention
102(c)Ìõ¿îÖ¸³öÈç¹û·¢Ã÷ÈËÒÅÆúÁË·¢Ã÷£¬ÄÇô·¢Ã÷È˽«²»ÄÜ»ñµÃÃÀ¹úרÀû¡£·¢Ã÷ÈËÒÅÆú·¢Ã÷±ØÐëÊǹÊÒâµÄÐÐΪ£¬²¢ÇÒÒâͼ½«ÒÅÆúµÄ·¢Ã÷·îÏ׸øÉç»á¡£·¢Ã÷È˲»Ò»¶¨ÐèÒª¹«¿ªÐûÊ¾Õ ......
ÔÚCÓïÑÔÖУ¬½á¹¹ÊÇÒ»ÖÖ¸´ºÏÊý¾ÝÀàÐÍ£¬Æä¹¹³ÉÔªËØ¼È¿ÉÒÔÊÇ»ù±¾Êý¾ÝÀàÐÍ£¨Èçint¡¢long¡¢floatµÈ£©µÄ±äÁ¿£¬Ò²¿ÉÒÔÊÇһЩ¸´ºÏÊý¾ÝÀàÐÍ£¨ÈçÊý×é¡¢½á¹¹¡¢ÁªºÏµÈ£©µÄÊý¾Ýµ¥Ôª¡£ÔڽṹÖУ¬±àÒëÆ÷Ϊ½á¹¹µÄÿ¸ö³ÉÔ±°´Æä×ÔÈ»¶Ô½ç£¨alignment£©Ìõ¼þ·ÖÅä¿Õ¼ä¡£¸÷¸ö³ÉÔ±°´ÕÕËüÃDZ»ÉùÃ÷µÄ˳ÐòÔÚÄÚ´æÖÐ˳Ðò´ ......
Ìá³öÎÊÌ⣺
»Øµ÷º¯ÊýÊÇ»ùÓÚC±à³ÌµÄWindows SDKµÄ¼¼Êõ£¬²»ÊÇÕë¶ÔC++µÄ£¬³ÌÐòÔ±¿ÉÒÔ½«Ò»¸öCº¯ÊýÖ±½Ó×÷Ϊ»Øµ÷º¯Êý£¬µ«ÊÇÈç¹ûÊÔͼֱ½ÓʹÓÃC++µÄ³ÉÔ±º¯Êý×÷Ϊ»Øµ÷º¯Êý½«·¢Éú´íÎó£¬ÉõÖÁ±àÒë¾Í²»ÄÜͨ¹ý¡£
·ÖÎöÔÒò£º
ÆÕͨµÄC++³ÉÔ±º¯Êý¶¼Òþº¬ÁËÒ»¸ö´«µÝº¯Êý×÷Ϊ²ÎÊý£¬Ò༴“this”Ö¸Õ룬C++ͨ¹ý´«µÝÒ»¸öÖ¸Ïò×ÔÉíµÄÖ¸ ......
C/C++ÖеÄSplitº¯ÊýÊÇstrtok()Æäº¯ÊýÔÐÍÈçÏÂ:
char * strtok (char * str, const char * delimiters);
º¯Êý˵Ã÷
strtok()ÓÃÀ´½«×Ö·û´®·Ö¸î³ÉÒ»¸ö¸öƬ¶Î¡£²ÎÊýstrÖ¸ÏòÓû·Ö¸îµÄ×Ö·û´®£¬²ÎÊýdelimitersÔòΪ·Ö¸î×Ö·û´®£¬µ±strtok()ÔÚ²ÎÊý
strµÄ×Ö·û´®Öз¢ÏÖµ½²ÎÊýdelimitersµÄ·Ö¸î×Ö·ûʱÔò»á½«¸Ã×Ö·û¸ÄΪ'\0'×Ö·û ......