HANDLE FindFirstFileA(
  LPCSTR             lpFileName,
  LPWIN32_FIND_DATAA lpFindFileData
);
​
BOOL FindNextFileA(
  HANDLE             hFindFile,
  LPWIN32_FIND_DATAA lpFindFileData
);

#include <Windows.h>
#include <stdio.h>
#include <string.h>
​
void SearchFile(char* pszDirectory,char* pszSuffix)
{
	DWORD dwBufferSize = 2048;
	char FileName[MAX_PATH] = {0};
	char TempPath[MAX_PATH] = {0};
	WIN32_FIND_DATA fdFileData = { 0 };
​
​
	wsprintf(FileName, "%s\\*.*", pszDirectory);
​
	HANDLE hFile = FindFirstFileA(FileName, &fdFileData);
​
	if (INVALID_HANDLE_VALUE != hFile)
	{
		do
		{
			if ('.' == fdFileData.cFileName[0])
			{
				continue;
			}
			wsprintf(TempPath, "%s\\%s", pszDirectory, fdFileData.cFileName);
			if (fdFileData.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY)
			{
				SearchFile(TempPath, pszSuffix);
			}
			else
			{
				if (strstr(TempPath, pszSuffix))
				{
					printf("%s\n", TempPath);
				}
			}
​
		} while (FindNextFileA(hFile, &fdFileData));
	}
​
	FindClose(hFile);
}
​
int main(int argc, char* argv[])
{
	SearchFile((char*)"C:\\Users\\Black Sheep\\Desktop",(char*)".exe");
​
	return 0;
}