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apple=sizeof(int)*p ; apple=sizeof * p;
j= (char (*)[20])malloc(20);
int const * grape; Óë int * const grape; µÄÇø±ð
typedef void (*ptr_to_func)(int);
void (*signal(int sig,void (*func)(int )))(int );
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Ò»:char *a; const char *b; a=b;//³öÏÖ¾¯¸æ. why?
¶þ: const int two =2;
switch(i)
{
case 1:printf("case 1 ! \n");
case two :printf("case 2\n");
}
±àÒë³ö´í,˵Ã÷ÁË.....?
Èý:switch(){..}ÖÐ°Ñ default¸Ä³É defau1t (ÎÞÐÄÖ®¹ý,»òÆäËü±êÇ©Èçdefavlt,dafault..)¶¼±àÒëͨ¹ý . why?
ËÄ: apple=sizeof(int)*p ; apple=sizeof * p; //ÊÇʲôÒâ˼? ÁíÍâ, y=sizeof x; ÄܱàÒëͨ¹ýÂð?
Îå: j= (char (*)[20])malloc(20); //ÔõôÑù?
Áù: result=*x/*y ; //³ö´í?why ?
z=y+++x; ¼´Îª: z=y++ +x; µ«z=y+ + +x; &n
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#include <dir.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
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int copyfile (char *infile, char *outfile)
{
FILE *in,*out; //¶¨ÒåÎļþÖ¸Õë
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