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1.ʵÑéÌâÄ¿
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2.ʵÑéÒªÇó
1)·Ö±ð±àдͷÎļþºÍcÎļþ
2)CÎļþº¬ÓÐ4¸öº¯Êý,ËûÃÇ·Ö±ðÍê³É¶ÁÈë15¸öË«¾«¶ÈµÄÖµ\ÉêÇëÒ»¸ö´æ´¢¿é\¼ÆËãÕâЩֵµÃ³Ë»ýÒÔ¼°Ö÷º¯ÊýµÄ¹¦ÄÜ
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  1. Í·Îļþ¡±c6¡±
#ifndef ___Hc6H_____
#define ___Hc6H_____
#include<stdio.h>
#include<stdlib.h>
#define N 4
double* fenpei(int);
double *duru(double*(*)(),int);
double mutiply(double*const);
#endif 
_____________________________________________________

2.·ÖÅäÄÚ´æµÄº¯Êý fenpei
#include"c6.h"
double* fenpei(int n)
{
double *p;
if((p=(double*)malloc(n*sizeof(double)))==NULL)
{
printf("·ÖÅä¿Õ¼äʧ°Ü\n");
exit(1);
}
//printf("%d",sizeof(p));
return p;
}
3.¶ÁÈ¡Êý¾Ýº¯Êý
#include"c6.h"
double* duru(double*(*p)(),int n)
{
int i;
double*q,t;
q=(*p)(n);
printf("\nÇëÊäÈëÊý¾Ý:\n");
for(i=0;i<N;i++,q++)
{
scanf("%d",&t);
*q=t;
}
q=q-N;
return q;


}
4.Ïà³Ë
#include"c6.h"
double mutiply(double*const c)
{
double muti=1.0;
int i;
for(i=0;i<N;i++)
muti=muti*(*(c+i));
return muti;<


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linux»·¾³ÏÂgethostbynameº¯ÊýÎÊÌâ - C/C++ / CÓïÑÔ

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  struct hostent *hp; 
char AlarmDevIP[20];  
  int x2;

hp = gethostbyname("www.google.com");
if (hp)
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c¾²Ì¬±àÒëÁíÒ»¸öÎļþ¼ÐµÄ¿âº¯Êý - C/C++ / CÓïÑÔ

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gcc -c log.c
ar crv liblog.a log.o
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#include "stdlib.h"
#include "math.h"
#include "stdio.h"
float objfx(float x[]);
void constraint(float x[],float g ......
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