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char old[] = "sdfsd.txt", new_name[] = "sdfsd1.txt";
FILE *file;
file = fopen(old,"w");
int nn = GetLastError();
ATLASSERT(file);
FILE *file2 = fopen(old,"r+");
nn = ferror(file2);
ATLASSERT(file2);
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int main()
{
char x, y, z;
int i;
int a[16];
for(i=0; i<=16; i++)
{
a[i] = 0;
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