Function hipModuleGetFunctionCount 

pub unsafe extern "C" fn hipModuleGetFunctionCount(
    count: *mut c_uint,
    mod_: hipModule_t,
) -> hipError_t

@brief Returns the number of functions within a module.

@param [in] mod Module to get function count from @param [out] count function count from module

@returns #hipSuccess, #hipErrorInvalidValue, #hipErrorInvalidContext, #hipErrorNotInitialized, #hipErrorNotFound,