C×Ö·û´®´¦Àíº¯ÊýµÄʵÏÖ
±¾ÎÄÀ´×Ô£º http://blog.pfan.cn/xiuandfang/24935.html
±êÇ©:C C ++ string String Êý¾Ý½á¹¹
C×Ö·û´®´¦Àíº¯ÊýµÄʵÏÖ
C×Ö·û´®´¦Àíº¯ÊýµÄʵÏÖ£¨Linux£©
#include <stddef.h>
char * ___strtok = NULL;
char * strcpy(char * dest,const char *src)
{
char *tmp = dest;
while ((*dest++ = *src++) != '\0')
/* nothing */;
return tmp;
}
char * strncpy(char * dest,const char *src,size_t count)
{
char *tmp = dest;
while (count-- && (*dest++ = *src++) != '\0')
/* nothing */;
return tmp;
}
char * strcat(char * dest, const char * src)
{
char *tmp = dest;
while (*dest)
dest++;
while ((*dest++ = *src++) != '\0')
;
return tmp;
}
char * strncat(char *dest, const char *src, size_t count)
{
char *tmp = dest;
if (count) {
while (*dest)
Ïà¹ØÎĵµ£º
static
DataManager
*
sharedDataManager
=
nil;
+
(DataManager
*
) sharedManager
{
@synchronized(self)
{
if
(sharedDataManager
==
nil)
&nb ......
ÓÉÓÚVC±àÒëÆ÷Óк¯ÊýÖØÃüÃûµÄ¹¦ÄÜËùÒÔ£¬È·¶¨º¯ÊýÃûÓÐÁ½ÖÖ·½Ê½£º
1.extern "C"
2.ʹÓÃ.defÎļþ
ÕâÁ½ÖÖÒ²¿ÉÒÔÒ»ÆðʹÓá£
ÏÂÃæÊÇÒ»¸öÀý×Ó£º
extern "C" _declspec(dllexport)int __stdcall JieCheng(int a)
{//½×³Ëº¯Êý¡£ÊäÈë:ÕýÕûÊý¡£Êä³ö:Õâ¸öÊýµÄ½×³ËÖµ
int b=1;
for(int i=1;i<=a;i++)
{
&n ......
ÈôÏëÔÚubuntuϱàÒëc/c++´úÂë
Ê×ÏÈ£¬°²×°g++ºÍgdb£¬¿ÉÒÔÔÚÐÂÁ¢µÃÖÐÖ±½Ó°²×°
ÈôÒª±àÒëc£¬È磺
££include
<stdio.h>
int main()
{
printf("Hello,World!\n");
return 0;
}
......
1. ö¾ÙµÄ¶¨Òåö¾ÙÀàÐͶ¨ÒåµÄÒ»°ãÐÎʽΪ£º
enum ö¾ÙÃû{ ö¾ÙÖµ±í };
ÔÚö¾ÙÖµ±íÖÐÓ¦ÂÞÁгöËùÓпÉÓÃÖµ¡£ÕâЩֵҲ³ÆÎªÃ¶¾ÙÔªËØ¡£
ÀýÈ磺
¸Ãö¾ÙÃûΪweekday£¬Ã¶¾ÙÖµ¹²ÓÐ7¸ö£¬¼´Ò»ÖÜÖÐµÄÆßÌì¡£·²±»ËµÃ÷ΪweekdayÀàÐͱäÁ¿µÄȡֵֻÄÜÊÇÆßÌìÖеÄijһÌì¡£
2. ö¾Ù±äÁ ......
Ò»¸öÓÉc/C++±àÒëµÄ³ÌÐòÕ¼ÓõÄÄÚ´æ·ÖΪÒÔϼ¸¸ö²¿·Ö
1¡¢Õ»Çø£¨stack£©— ÓɱàÒëÆ÷×Ô¶¯·ÖÅäÊÍ·Å £¬´æ·Åº¯ÊýµÄ²ÎÊýÖµ£¬¾Ö²¿±äÁ¿µÄÖµµÈ¡£Æä²Ù×÷·½Ê½ÀàËÆÓÚÊý¾Ý½á¹¹ÖеÄÕ»¡£
2¡¢¶ÑÇø£¨heap£© — Ò»°ãÓɳÌÐòÔ±·ÖÅäÊÍ·Å£¬ Èô³ÌÐòÔ±²»ÊÍ·Å£¬³ÌÐò½áÊøÊ±¿ÉÄÜÓÉOS»ØÊÕ ¡£×¢ÒâËüÓëÊý¾Ý½á¹¹ÖеĶÑÊÇÁ½»ØÊ£¬·ÖÅ䷽ʽµ¹ÊÇÀà ......