Does the Coverity tool support the LabWindows C Compiler? It appears that it does not. Here is the list of compilers that Coverity claims to support:
ARM
Cosmic C Cross Compilers
Freescale Code Warrior
GNU GCC, G++
Green Hills
HP aCC
IAR
IBM, XLC
Intel C++
Keil
QNX
Renesas
Sun (Oracle)CC and cc
Texas Instruments
Visual Studio
WindRiver
Xcode GCC and G++