diff --git a/rtl/os2/os2def.pas b/rtl/os2/os2def.pas
index 5b0bbfde78..a3c40e800b 100644
--- a/rtl/os2/os2def.pas
+++ b/rtl/os2/os2def.pas
@@ -819,6 +819,57 @@ const
        Ord_DosQUERYHEADERINFO = 584;
        Ord_Dos32QUERYPROCTYPE = 586;
        Ord_DosQUERYPROCTYPE = 587;
+       Ord_Dos32PMPOSTEVENTSEM = 590;
+       Ord_Dos32PMWAITEVENTSEM = 591;
+       Ord_Dos32PMREQUESTMUTEXSEM = 593;
+       Ord_Dos32PMWAITMUXWAITSEM = 595;
+       Ord_Dos32PM16SEMCHK = 596;
+       Ord_Dos32PROTECTSETFILEPTR = 621;
+       Ord_DosPROTECTCLOSE = 622;
+       Ord_DosPROTECTFILEIO = 623;
+       Ord_DosPROTECTFILELOCKS = 624;
+       Ord_DosPROTECTNEWSIZE = 627;
+       Ord_DosPROTECTOPEN = 628;
+       Ord_DosPROTECTQFHANDSTATE = 629;
+       Ord_DosPROTECTSETFHANDSTATE = 630;
+       Ord_DosPROTECTQFILEINFO = 631;
+       Ord_DosPROTECTSETFILEINFO = 632;
+       Ord_DosPROTECTCHGFILEPTR = 634;
+       Ord_DosPROTECTENUMATTRIBUTE = 635;
+       Ord_Dos32PROTECTENUMATTRIBUTE = 636;
+       Ord_Dos32PROTECTOPEN = 637;
+       Ord_Dos32PROTECTCLOSE = 638;
+       Ord_Dos32PROTECTSETFILELOCKS = 639;
+       Ord_Dos32PROTECTSETFILESIZE = 640;
+       Ord_Dos32PROTECTREAD = 641;
+       Ord_Dos32PROTECTWRITE = 642;
+       Ord_Dos32PROTECTSETFILEINFO = 643;
+       Ord_Dos32PROTECTSETFHSTATE = 644;
+       Ord_Dos32PROTECTQUERYFHSTATE = 645;
+       Ord_Dos32PROTECTQUERYFILEINFO = 646;
+       Ord_Dos32SETEXTLIBPATH = 873;
+       Ord_Dos32QUERYEXTLIBPATH = 874;
+       Ord_Dos32PM16SEMRST = 875;
+       Ord_Dos32SYSCTL = 876;
+       Ord_Dos32QUERYTHREADCONTEXT = 877;
+       Ord_DosSGQUERYTOPMOST = 878;
+       Ord_Dos32PERFSYSCALL = 976;
+       Ord_Dos32OPENL = 981;
+       Ord_Dos32PROTECTOPENL = 982;
+       Ord_Dos32PROTECTSETFILELOCKSL = 983;
+       Ord_Dos32PROTECTSETFILEPTRL = 984;
+       Ord_Dos32PROTECTSETFILESIZEL = 985;
+       Ord_Dos32SETFILELOCKSL = 986;
+       Ord_Dos32CANCELLOCKREQUESTL = 987;
+       Ord_Dos32SETFILEPTRL = 988;
+       Ord_Dos32SETFILESIZEL = 989;
+       Ord_Dos32LISTIOL = 990;
+       Ord_DosFSRAMSEMREQUEST2 = 991;
+       Ord_DosFSRAMSEMCLEAR2 = 992;
+       Ord_Dos32LISTIO = 996;
+       Ord_Dos32CREATETHREAD2 = 997;
+       Ord_DosSETEXTLIBPATH = 998;
+       Ord_DosQUERYEXTLIBPATH = 999;
        Ord_DevOPENDC = 1;
        Ord_DevCLOSEDC = 2;
        Ord_DevPOSTDEVICEMODES = 3;