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Format of a C Decorated Name

The form of decoration for a C function depends on the calling convention used in its declaration, as shown below. Note that in a 64-bit environment, functions are not decorated.

Calling convention

Decoration

__cdecl (the default)

Leading underscore (_)

__stdcall

Leading underscore (_) and a trailing at sign (@) followed by a number representing the number of bytes in the parameter list

__fastcall

Same as __stdcall, but prepended by an at sign instead of an underscore

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