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C/C++ DOS Libraries

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5.1.2 Data Types

We have defined some data types in Pci_7256.h. These data types are used

by NuDAQ Cards’ library. We suggest you use these data types in your

application programs. The following table shows the data type names and

their range.

Type Name Description Range

U8 8-bit ASCII character 0 to 255

I16 16-bit signed integer -32768 to 32767

U16 16-bit unsigned integer 0 to 65535

I32 32-bit signed integer -2147483648 to 2147483647

U32

32-bit single-precision

floating-point

0 to 4294967295

F32

32-bit single-precision

floating-point

-3.402823E38 to

3.402823E38

F64

64-bit double-precision

floating-point

-1.797683134862315E308 to

1.797683134862315E309

Boolean Boolean logic value TRUE, FALSE

1 2 ... 32 33 34 35 36 37 38 39 40 41 42 ... 47 48

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