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ÌâÄ¿£º±àдһ¸ö³ÌÐò£¬ÓÃÓÚ´¦Àíc/c++Ô´³ÌÐò£¬½«Ô´³ÌÐòÖеÄ×¢ÊͲ¿·ÖÈ¥µô
ÊäÈ룺c/c++ÎļþÃû
Êä³ö£º´¦ÀíºóµÄ³ÌÐòÔ´Îļþ
³ÌÐòα´úÂëÈçÏ£º
c1,c2:char
tag:int
a:¶ÁÈëÒ»¸ö×Ö·û´æÈëc1
if tag==0   //¶ÁÈë×Ö·û²»ÊÇ×¢ÊÍ
  if c1=='/'  //¿ÉÄÜÊÇ×¢Êͱê¼Ç
    ¶ÁÈëÒ»¸ö×Ö·û´æÈëc2
    if c2=='*'  //Ϊ/**/×¢Ê͵ĿªÍ·
      tag = 2
    else if c2=='/' //Ϊ//×¢Ê͵ĿªÍ·
      tag = 1
    else //²»ÊÇ×¢Êͱê¼Ç
      ½«c1, c2±£´æ
  else //¶ÁÈëµÄ×Ö·ûΪ´úÂë
    ±£´æc1
else if tag==1  //¶ÁÈëµÄÊÇ//×¢ÊÍ
  if c1=='\n' //ΪעÊͽáÊø±ê¼Ç
    tag=0
else   //¶ÁÈëµÄÊÇ/**/×¢ÊÍtag==2
  if c1=='*'  //¿ÉÄÜΪעÊͽáÊø±ê¼Ç
    ¶ÁÈëÒ»¸ö×Ö·û¸³¸øc2
    if c2=='/' //ÊÇ/**/×¢Êͽáβ
      tag=0
  else  //×¢ÊÍûÓнáÊø
    nothing
goto a
³ÌÐòÇåµ¥ÈçÏ£º
//¶ÔÔ´Îļþ½øÐÐɨÃ裬ɾ³ýÆäÖеÄ×¢ÊÍ
#include <stdio.h>
void scan(char *filename)
{
int tag=0;//0:¶ÁÈ¡µÄ×Ö·ûΪ´úÂ룻1:¶ÁÈ¡µÄ×Ö·ûΪ//×¢ÊÍ£»2:¶ÁÈ¡µÄ×Ö·ûΪ/**/×¢ÊÍ
char temp1, temp2;
FILE *in, *out;
in = fopen(filename,"r");
if(in==NULL)
{
printf("cannot open the input file!");
}
out = fopen("out.c", "w");
if(out==NULL)
{
printf("cannot open the output file!");
}
temp1 = fgetc(in);
while(temp1!=EOF)
{
printf("%c", temp1);
if(0==tag)
{
if('/'==temp1)
{
temp2 = fgetc(in);
if('*'==temp2)
{
tag = 2;
}
else if('/'==temp2)
{
tag = 1;
}
else
{
fputc(temp1, out);
fputc(temp2, out);
}
}
else
{
fputc(temp1, out);
}
}
else if(1==tag)
{
if('\n'==temp1)
{
tag = 0;
}
}
else
{
if('*'==temp1)
{
temp2 =


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    memcached_st *memc;
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struct student {
int num;
int score;
int length;
};
struct student *pt;
pt = (struct student *) malloc(sizeof(struct student));
pt->num = 1;
pt->score = 90;
pt->length = 3 * sizeof(int);
printf("pt length:%d\n", *pt);
pt = (int ......

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void itoa ( int val, buf* );
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