PCI-P16R16 Series Classic DriverDLL Software ManualUser Manual, Ver. 1.3, Oct. 2015, Page: 113. DLL Function DescriptionsAll of the functions provided for PCI-P16R16 series card are listed below in Tables 3-2 to 3-5. This listof functions is expanded on in the text that follows. However, in order to make a clear and simplifieddescription of the functions, the attributes of the input and output parameters for every function isindicated as [input] and [output] respectively, as shown in following Table 3-1. Furthermore, theerror code of all functions supported by PCI-P16R16 series card is also listed in Section 3.1. Table 3-1:Keyword Parameter must be set by the user beforecalling the functionData/value from this parameter isretrieved after calling the function[Input] Yes No[Output] No Yes[Input, Output] Yes YesNote: All of the parameters need to be allocated spaces by the user.A function in P16R16.DLL (DLL for Windows OS) will be exactly the same prototype as P16R16H.LIB(huge mode library for DOS) and P16R16L.LIB (large mode library for DOS). It is convenient todevelop applications under different platforms. Table 3-2: Test Functions TableSection Function Definition3.2 Test Functionsfloat PCI_FloatSub2(float fA, float fB);short PCI_ShortSub2(short nA, short nB);DWORD PCI_GetDllVersion(void);