When now I comile wpcap.dll It pops out a lot of warning message , one of them looks like this
In file included from wpcap.c:26:0:
../../include/ntstatus.h:331:0: warning: "STATUS_FLOAT_UNDERFLOW" redefined
#define STATUS_FLOAT_UNDERFLOW ((NTSTATUS) 0xC0000093)
^
In file included from ../../include/windef.h:266:0,
from ../../include/windows.h:37,
from ../../include/winsock.h:110,
from ../../include/winsock2.h:47,
from wpcap.c:22:
../../include/winnt.h:607:0: note: this is the location of the previous definition
#define STATUS_FLOAT_UNDERFLOW ((DWORD) 0xC0000093)