error C2064? how to solve

tcb

I was compiling on the calculations involving velocity gradient vectors while the following errors occurred...can anyone tell me how to resolve the error?

(system "copy C:\Fluent.Inc\fluent6.3.26\src\makefile_nt.udf libudf\ntx86\2d\makefile")

1 file(s) copied. (chdir "libudf")() (chdir "ntx86\2d")() calc_eq.c c:\fluent.inc\fluent6.3.26\src\machine.h(114) : warning C4005: 'stdout' : macro redefinition

C:\Program Files\Microsoft Visual Studio 9.0\VC\INCLUDE\stdio.h(161) : see previous definition of 'stdout' c:\fluent.inc\fluent6.3.26\src\machine.h(115) : warning C4005: 'stderr' : macro redefinition

C:\Program Files\Microsoft Visual Studio 9.0\VC\INCLUDE\stdio.h(162) : see previous definition of 'stderr' c:\fluent.inc\fluent6.3.26\src\machine.h(116) : warning C4005: 'stdin' : macro redefinition

C:\Program Files\Microsoft Visual Studio 9.0\VC\INCLUDE\stdio.h(160) : see previous definition of 'stdin' ..\..\src\calc_eq.c(38) : error C2064: term does not evaluate to a function taking 302 arguments ..\..\src\calc_eq.c(38) : error C2064: term does not evaluate to a function taking 302 arguments