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wchar_t wsWorkingDir[256] = _T("");
CString strPDF(_T(""));
::GetCurrentDirectory(256, wsWorkingDir);
strPDF.Format(_T("%s"), wsWorkingDir);
if (strPDF.GetAt(strPDF.GetLength()-1) != '\\')
{
strPDF += '\\';
}
strPDF += "doc\\my.pdf";
ShellExecute(NULL, _T("open"), strPDF, _T("nil"), _T("nil"), SW_SHOWMAXIMIZED);
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#include<stdio.h>
void to_upper(char *str)
{
for(;*str !='\0';str++)
{
if(unsigned(*str-'a')<='z'-'a')
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char a[10]=“hello”;
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