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C preprocessor

http://en.wikipedia.org/wiki/C_preprocessor
C preprocessor
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The C preprocessor (cpp) is the preprocessor for the C programming language. In many C implementations, it is a separate program invoked by the compiler as the first part ......

strassen in c language.

#include<stdio.h>
#define N 8
void input(int n,int p[N][N])
{
 int i,j;
 for(i=0;i<n;i++)
 {
  printf("please input the %d line:\n",i+1);
  for(j=0;j<n;j++)
  {
  scanf("%d",&p[i][j]);
 }
}
 }
void output(int n,int p[N][N])
......

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1. char *(*(*a[N])())();
2. ÓÃtypedef Öð²½Íê³ÉÉùÃ÷:
typedef char *pc;  /* ×Ö·ûÖ¸Õë*/
typedef pc fpc(); /* ·µ»Ø×Ö·ûÖ¸ÕëµÄº¯Êý*/
typedef fpc *pfpc; /* ÉÏÃ溯ÊýµÄÖ¸Õë*/ ......

c ÓïÑÔÏÝÚå

Ô­Öø£ºAndrew Koenig - AT&T Bell Laboratories Murray Hill, New Jersey 07094
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extern "C"(zz)


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