ÕâÖÖÐèÇóÓ¦¸Ã¾ÍûC++³ÌÐòµ÷ÓÃCº¯ÊýÐèÇó¶àÁË.Ä¿Ç°µÄʵÏÖ»ù±¾Ö»ÓÐÒ»Àà·½·¨,¼´Í¨¹ý´¦Àí±»µ÷ÓõÄC++Îļþ.
ÎÄ
Öиø³öµÄÈÔÈ»ÊÇÍêÕûµÄ,¾ßÌåµÄ,µ«ÓÖ×î»ù±¾×î¼òµ¥µÄʵÏÖ,ÖÁÓÚÀíÂÛÐԵĶ«Î÷ÔÚÍøÉϺÜÈÝÒ×ËÑË÷µÄµ½.ÕâÀïÊÇÕë¶Ôµ÷ÓÃC++µÄ³ÉÔ±º¯ÊýµÄʵÏÖ.
aa.h
class AA {
int i;
public:
int ThisIsTest(int a, int b);
float ThisIsTest(float a, float b);
};
extern "C" int ThisIsTest_C(void* s, int a,int b);
extern "C" float PolymorphicTest_C(void* s,float a, float b);
aa.cpp:
#include "aa.h"
int AA::ThisIsTest(int a, int b){
return (a + b);
}
float AA::PolymorphicTest(float a, float b){
return (a+b);
}
int ThisIsTest_C(void* s, int a,int b){
AA* p = (AA*)s;
return p->ThisIsTest(a,b);
}
float PolymorphicTest_C(void* s,float a, float b){
AA* p = (AA*)s;
return p->ThisIsTest(a,b);
}
a.h:
#ifndef __A_H
#define __A_H
int bar(void* s,int a, int b);
int bar_float(void* s,float a, float b);
#endif
a.c
#include <stdio.h>
#include "a.h"
extern int ThisIsTest_C(void* s, int a,int b);
extern float PolymorphicTest_C(void* s,float a, float b);
int bar(void* s,int a, int b) {
printf("result=%d\n", ThisIsTest_C(s,a, b));
return 0;
}
int bar_float(void* s,float a, float b) {
printf("result=%f\n", PolymorphicTest_C(s,a, b));
return 0;
}
main.c:
#include "a.h"
struct S {
int i;
};
struct S s;
int main(int argc, char **argv){
int a = 1;
int b = 2;
float c = 1.5;
float d = 1.4;
bar((void*)&s,a, b);
bar_float((void*)&s,c,d);
return(0);
}
Makefile:
all:
gcc -Wall -c a.c -o a.o
gcc -Wall -c aa.cpp -o aa.o
gcc -Wall -c main.c -o main.o
 
Boss˵£¬Òª¿´OpenGL£¬¿´ÁË¿ìÒ»¸öÔ£¬×ÜËã³öÁ˸öÏñÑùµÄ¶«Î÷£¬ÓÃCдÁ˸ö3DÃÔ¹¬£¬
ËäȻֻÓÐ350ÐÐ
´úÂ룬²»¹ý±ßѧ±ßд£¬×ã×ãдÁËÒ»ÖÜʱ¼ä£¬»¹ÊÇСÓгɾ͸еģ¬»î»î»î£¡
&n ......
¹Ø¼ü×Ö£ºUTC£¨ÊÀ½ç±ê׼ʱ¼ä£©£¬Calendar Time£¨ÈÕÀúʱ¼ä£©£¬epoch£¨Ê±¼äµã£©£¬clock tick£¨Ê±ÖÓ¼Æʱµ¥Ôª£©
1£®¸ÅÄî
ÔÚC/C++ÖУ¬¶Ô×Ö·û´®µÄ²Ù×÷ÓкܶàÖµµÃ×¢ÒâµÄÎÊÌ⣬ͬÑù£¬C/C++¶Ôʱ¼äµÄ²Ù×÷Ò²ÓÐÐí¶àÖµµÃ´ó¼Ò×¢ÒâµÄµØ·½¡£ÏÂÃæÖ÷Òª½éÉÜÔÚC/C++ÖÐʱ¼äºÍÈÕÆÚµÄʹÓ÷½·¨.
ͨ¹ýѧϰÐí¶àC/C++¿â£¬Äã¿ÉÒÔÓкܶà²Ù×÷¡¢Ê¹ÓÃʱ¼äµ ......
ÔÚANSI CÖУ¬¶ÔÎļþµÄ²Ù×÷·ÖΪÁ½ÖÖ·½Ê½£¬¼´Á÷ʽÎļþ²Ù×÷ºÍI/OÎļþ²Ù×÷£¬ÏÂÃæ¾Í·Ö±ð½éÉÜÖ®¡£
Ò»¡¢Á÷ʽÎļþ²Ù×÷
¡¡¡¡ÕâÖÖ·½Ê½µÄÎļþ²Ù×÷ÓÐÒ»¸öÖØÒªµÄ½á¹¹FILE£¬FILEÔÚstdio.hÖж¨ÒåÈçÏ£º
typedef struct {
int level; /* fill/empty level of buffer */
unsigned flags; /* File status flags */
char fd; /* File des ......