unit    APIUNIT;
interface
{* Edit maxlength to allow up to 65K for buffer space *}

const   maxlength     = 256;
type    buffer = array[0..maxlength] of CHAR;
type    info_array = array[0..35] of INTEGER;
type    stat_array = array[0..21] of INTEGER;
function API_Rcheck :                   integer;
function API_InstChk( var s: string ) : integer;
function API_Open                       : integer;
function API_Close                      : integer;
function API_GetInfo(i: integer; var x:info_array )   : integer;
function API_GetStatus(i:integer; var x:stat_array ) : integer;
function API_StartCommands              : integer;
function API_DoCommand( var x: string ) : integer;
function API_getvar( i : integer; var x: string ) : integer;
function API_setvar( i : integer; var x: string ) : integer;
function API_Found                            : integer;
function API_EndCommands                      : integer;
function API_ScreenRead( length ,column, row: integer; var x: buffer ) : integer;
function API_KeyStatus                          : integer;
function API_QKeys    ( var keys: string )      : integer;
function API_ClrKeybd                           : integer;
function API_CmdStatus                          : integer;
function API_QCmd    ( var cmd : string )       : integer;
function API_ClrCmdQ                            : integer;
function API_ReleaseDC                          : integer;
function API_AssertDC                           : integer;
function API_PopUP                              : integer;
function API_Reset                              : integer;
function API_GetFkey( var fkey: string )        : integer;
function API_SetFkey( var fkey: string )        : integer;
function API_OfferBuf(typ,buflen:integer;var x : buffer): integer;
function API_CancelBuf                          : integer;
function API_Wait                               : integer;
function API_Block                              : integer;
function API_AtrbScreen  (length,col,row:integer;var x:buffer):integer;
function API_SearchScreen(var col, row : integer;var x:string ): integer;
function API_Rdchar   (var x: integer)       : integer;
function API_Writeasync(c : integer )           : integer;
function API_Xmitstatus                         : integer;
procedure RFreadkeybd( length : integer; var x: string );
implementation
{$L P_APILIB}

function API_Rcheck; external;
function API_InstChk; external;
function API_Open; external;
function API_Close; external;
function API_GetInfo; external;
function API_GetStatus; external;
function API_StartCommands; external;
function API_DoCommand; external;
function API_getvar; external;
function API_setvar; external;
function API_Found; external;
function API_EndCommands; external;
function API_ScreenRead; external;
function API_KeyStatus; external;
function API_QKeys    ; external;
function API_ClrKeybd  ; external;
function API_CmdStatus; external;
function API_QCmd    ; external;
function API_ClrCmdQ  ; external;
function API_ReleaseDC; external;
function API_AssertDC; external;
function API_PopUP; external;
function API_Reset; external;
function API_GetFkey; external;
function API_SetFkey; external;
function API_OfferBuf; external;
function API_CancelBuf; external;
function API_Wait; external;
function API_Block; external;
function API_AtrbScreen  ; external;
function API_SearchScreen; external;
function API_Rdchar   ; external;
function API_Writeasync; external;
function API_Xmitstatus; external;
procedure RFreadkeybd; external;
end.