A pointer to a buffer that receives the path. This path does not end with a backslash unless the Windows directory is the root directory. For example, if the Windows directory is called Windows on drive C, the path of the Windows directory retrieved by this function is C:\Windows. If the system was installed in the root directory of drive C, the path retrieved is C:.
[in] uSize
The maximum size of the buffer specified by the lpBuffer parameter, in TCHARs. This value should be set to MAX_PATH.
Return Value
If the function succeeds, the return value is the length of the string copied to the buffer, in TCHARs, not including the terminating null character.
If the length is greater than the size of the buffer, the return value is the size of the buffer required to accommodate the path.
2.) The directory GetSystemDirectory
Gets the path of the system directory. The system directory contains system files such as dynamic-link libraries and drivers.
A pointer to the buffer to receive the path. This path does not end with a backslash unless the system directory is the root directory. For example, if the system directory is named Windows\System32 on drive C, the path of the system directory retrieved by this function is C:\Windows\System32.
[in] uSize
The maximum size of the buffer in TCHARs.
Return Value
If the function succeeds, the return value is the length of the string copied to the buffer in TCHARs, not including the terminating null character. If the length is greater than the size of the buffer, the return value is the size of the buffer required to hold the path, including the terminating null character.
3.) The directory GetCurrentDirectory
Gets the current directory for the current process.
The length of the buffer for the current directory string, in TCHARs. The buffer length must include room for a terminating null character.
[out] lpBuffer
A pointer to the buffer that will receive the current directory string. This null-terminated string specifies the absolute path to the current directory.
To determine the required buffer size, set this parameter to NULL and the nBufferLength parameter to 0.
Return Value
If the function succeeds, the return value indicates the number of characters written to the buffer, excluding the terminating null character.
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