Borland help files
The PeekConsoleInput function reads data from the specified console input buffer without removing it from the buffer.
HANDLE hConsoleInput, // handle of a console input buffer
PINPUT_RECORD pirBuffer, // address of the buffer for peek data
DWORD cInRecords, // number of records to read
LPDWORD lpcRead // address of number of records read
Identifies the input buffer. The handle must have GENERIC_READ access.
Points to an INPUT_RECORD buffer that receives the input buffer data.
Specifies the size, in records, of the buffer pointed to by the pirBuffer parameter.
Points to a 32-bit variable that receives the number of input records read.
If the function succeeds, the return value is TRUE.
If the function fails, the return value is FALSE. To get extended error information, call GetLastError.
If the number of records requested exceeds the number of records available in the buffer, the number available is read. If no data is available, the function returns immediately.
INPUT_RECORD, ReadConsoleInput, WriteConsoleInput