Get several errors building the lib
C:\BCX\rtlib\bcx\source\OSVersion.c(25): error #2048: Undeclared identifier 'OS_Win_10' (did you mean: ?).
C:\BCX\rtlib\bcx\source\OSVersion.c(26): error #2048: Undeclared identifier 'OS_Server_2016' (did you mean: ?).
C:\BCX\rtlib\bcx\source\OSVersion.c(31): error #2048: Undeclared identifier 'OS_Win_81' (did you mean: ?).
C:\BCX\rtlib\bcx\source\OSVersion.c(32): error #2048: Undeclared identifier 'OS_Server_2012_R2' (did you mean: ?).
C:\BCX\rtlib\bcx\source\OSVersion.c(37): error #2048: Undeclared identifier 'OS_Win_8' (did you mean: ?).
C:\BCX\rtlib\bcx\source\OSVersion.c(38): error #2048: Undeclared identifier 'OS_Server_2012' (did you mean: ?).
C:\BCX\rtlib\bcx\source\OSVersion.c(43): error #2048: Undeclared identifier 'OS_Win_7' (did you mean: ?).
etc
RegInt.c(3): error #2120: Redeclaration of 'RegInt', previously declared at C:\PellesC\Include\bcxLib.h(469); expected 'int __cdecl function(HKEY (aka struct HKEY__ *), const char *, const char *)' but found 'int __cdecl function(HKEY (aka struct HKEY__ *), char *, char *)'
Set_BCX_Icon.c(3): error #2120: Redeclaration of 'Set_BCX_Icon', previously declared at C:\PellesC\Include\bcxLib.h(385); expected 'void __cdecl function(HWND (aka struct HWND__ *), const char *, int, int, int)' but found 'void __cdecl function(HWND (aka struct HWND__ *), char *, int, int, int)'.
VBS_START.c(133): error #2120: Redeclaration of 'VBS_EVAL_NUM', previously declared at C:\PellesC\Include\bcxLib.h(302); expected 'double __cdecl function(const char *)' but found 'double __cdecl function(char *)'.
VBS_START.c(215): error #2120: Redeclaration of 'VBS_EVAL_STR', previously declared at C:\PellesC\Include\bcxLib.h(303); expected 'char * __cdecl function(const char *)' but found 'char * __cdecl function(char *)'.
Verify.c(15): error #2120: Redeclaration of 'VerifyInstr', previously declared at C:\PellesC\Include\bcxLib.h(493); expected 'int __cdecl function(const char *, const char *, int)' but found 'int __cdecl function(char *, char *, int)
How to solve the errors or are these bug?