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Ô­ÒòÊÇ£ºÔÚCÓïÑÔÖк¯Êý±¾Éí²»ÊDZäÁ¿£¬µ«ÊÇ¿ÉÒÔ¶¨ÒåÖ¸Ïòº¯ÊýµÄÖ¸Õë¡£ÕâÖÖÀàÐ͵ÄÖ¸Õë¿ÉÒÔ±»¸³Öµ¡¢´æ·ÅÔÚÊý×éÖС¢´«µÝ¸øº¯ÊýÒÔ¼°×÷Ϊº¯ÊýµÄ·µ»ØÖµ£¬
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Ô­ÎÄÁ´½Ó£ºhttp://hi.baidu.com/helloweenpad/blog/item/d96d13fb4b2276809f514607.html/cmtid/feb4928edf8883e5f11f3636
#include<stdio.h>
typedef int (*CallBackFun)(char *p);
/*¸ÃÓï¾ä¶¨ÒåÁËÀàÐÍCallBackFunÊÇ“Ò»¸öÖ¸Ïòº¯ÊýµÄÖ¸Õ룬¸Ãº¯Êý¾ßÓÐ1¸öchar *ÀàÐ͵IJÎÊý£¬·µ»ØÖµµÄÀàÐÍΪint.”*/
int Afun(char *p) {    // ·½·¨ Afun£¬¸ñʽ·ûºÏ CallBackFun µÄ¸ñʽ£¬Òò´Ë¿ÉÒÔ¿´×÷ÊÇÒ»¸ö CallBackFun
    printf("Afun »Øµ÷´òÓ¡³ö×Ö·û%s!\n", p);
    return 0;
}
int Cfun(char *p) {    // ·½·¨ Bfun£¬¸ñʽ·ûºÏ CallBackFun µÄ¸ñʽ£¬Òò´Ë¿ÉÒÔ¿´×÷ÊÇÒ»¸ö CallBackFun
    printf("Cfun »Øµ÷´òÓ¡:%s, Nice to meet you!\n", p);
    return 0;
}
int call(CallBackFun pCallBack, char *p) { // Ö´Ðлص÷º¯Êý£¬·½Ê½Ò»£ºÍ¨¹ýÃüÃû·½Ê½
    printf("call Ö±½Ó´òÓ¡³ö×Ö·û%s!\n", p);
    pCallBack(p);
    return 0;
}
int call2(char *p, int (*ptr)(char *p)) { // Ö´Ðлص÷º¯Êý£¬·½Ê½¶þ£ºÖ±½Óͨ¹ý·½·¨Ö¸Õë
    printf("==============\n", p);
    (*ptr)(p);
}
int call3(char *p, CallBackFun pCallBack){ // Ö´Ðлص÷º¯Êý£¬·½Ê½Ò»£ºÍ¨¹ýÃüÃû·½Ê½
    printf("--------------\n", p);
    pCallBack(p);
}
int main() { 
 
    char *p = "hello";
    call(Afun, p);
    call(Cfun, p);
    call2(p, Afun);
    call2(p, Cfun);
    call3(p, Afun);
    call3(p, Cfun);
    return 0;
}
ÔÚÔ­ÎÄÖУ¬×÷Õß½«int call2(char *p, int (*ptr)(char *p))»»³ÉÁËi


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GCC ±àÒëc³ÌÐòµÄ·½·¨¼°¹ý³Ì½âÎö

GCC ±àÒëc³ÌÐòµÄ·½·¨¼°¹ý³Ì½âÎö 
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        Ä¿Ç° Linux ÏÂ×î³£ÓÃµÄ C ÓïÑÔ±àÒëÆ÷ÊÇ GCC £¨ GNU Compiler Collection £©£¬ËüÊÇ GNU ÏîÄ¿ÖзûºÏ ANSI C ±ê×¼µÄ±àÒëϵͳ£¬Äܹ»±àÒëÓà C ¡¢ C++ ºÍ Object C µÈÓïÑÔ±àдµÄ³ÌÐò¡£ GCC ²»½ö¹¦Äܷdz£Ç¿´ó£¬½á¹¹ ......

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#define uchar unsigned char
#define uint unsigned int
#include <intrins.h>
/*
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¸ñʽµÚÒ»×Ö½ÚBIT7-4 λ±íʾÈòÔÂÔ·Ý,ֵΪ0 ΪÎÞÈòÔÂ,BIT3-0 ¶ÔӦũÀúµÚ1-4 ÔµĴóС
µÚ¶þ×Ö½ÚBIT7-0 ¶ÔӦũÀúµÚ5-12 Ô´óС,µÚÈý×Ö½ÚBIT7 ±íʾũÀúµÚ13 ¸öÔ´óÐ ......

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ÔÚ³ÌÐòÖУ¬ÓÓ££include<absacc.h>”¼´¿ÉʹÓÃÆäÖж¨ÒåµÄºêÀ´·ÃÎʾø¶ÔµØÖ·£¬°üÀ¨CBYTE¡¢XBYTE¡¢PWORD¡¢DBYTE¡¢CWORD¡¢XWORD¡¢PBYTE¡¢DWORD
¾ßÌåʹÓÿɿ´Ò»¿´absacc.h±ãÖª£¬ÀýÈ磺
rval=CBYTE[0x0002];Ö¸Ïò³ÌÐò´æÖüÆ÷µÄ0002hµØÖ·
rval=XWORD[0x0002];Ö¸ÏòÍâRAMµÄ0002hµØÖ·
2 ......

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#include <stdio.h>
void main()
{
    int a[50][50];
    int i,j,n;
    printf("Please input Number:");
    scanf("%d",&n);
  ......

Fortran & C »ì±à

C µ÷ÓÃ Fortran
c2ffn.f
      SUBROUTINE NAMEAGE(NAME, NLEN, AGE, TEMP)
      CHARACTER*(*) NAME
      INTEGER NLEN,AGE
      REAL TEMP
C
      WRITE(6,1000) NAME(1:NLEN),AGE,TEMP ......
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