I include utility.h and windows.h in one c file ,when I compile the file it return the error of /////
LAUNCH_EXE.c - 19 errors
"winbase.h"(2645,6) Redeclaration of 'CVI_GetFileSize' previously declared at utility.h:537.
"winbase.h"(2786,6) Redeclaration of 'CVI_GetFileTime' previously declared at utility.h:538.
"winbase.h"(2796,6) Redeclaration of 'CVI_SetFileTime' previously declared at utility.h:576.
"winbase.h"(3103,6) Redeclaration of 'CVI_Beep' previously declared at utility.h:482.
"winbase.h"(3119,6) Redeclaration of 'CVI_GetSystemTime' previously declared at utility.h:427.
"winbase.h"(3133,6) Redeclaration of 'CVI_SetSystemTime' previously declared at utility.h:454.
"winbase.h"(5872,32) Redefinition of macro 'DeleteFile'.
"winbase.h"(6006,28) Redefinition of macro 'CopyFile'.
"winuser.h"(9263,66) Redefinition of macro 'HELP_CONTEXT'.
"winuser.h"(9264,56) Redefinition of macro 'HELP_QUIT'.
"winuser.h"(9266,34) Redefinition of macro 'HELP_CONTENTS'.
"winuser.h"(9267,68) Redefinition of macro 'HELP_HELPONHELP'.
"winuser.h"(9269,34) Redefinition of macro 'HELP_SETCONTENTS'.
"winuser.h"(9270,34) Redefinition of macro 'HELP_CONTEXTPOPUP'.
"winuser.h"(9272,80) Redefinition of macro 'HELP_KEY'.
"winuser.h"(9273,34) Redefinition of macro 'HELP_COMMAND'.
"winuser.h"(9274,34) Redefinition of macro 'HELP_PARTIALKEY'.
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why??? how to solve the problem!1