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c ¶ÁÈ¡Îļþ

#include <stdio.h>
int main ()
{
    FILE *fp1;
    fp1=fopen("test0.txt","rt");
    if(fp1==NULL)
    {
        printf("can not open test0.txt\n");return 0;
    } // {} necessary
    fclose(fp1);// necessary
    return 0;
}


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ÉîÈëÀí½âextern "C"

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static
 DataManager 
*
sharedDataManager 
=
 nil;
+
 (DataManager 
*
) sharedManager
{
    @synchronized(self)
 {
        
if
 (sharedDataManager 
==
 nil)
 &nb ......
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