hal_init - Sets up HAL and RTAPI

modname
              The name of this HAL module

hal_init  sets up HAL and RTAPI.  It must be called by any module that intends to use the API, before any
       other RTAPI calls.

       modname must point to a string that identifies the module.  The string may be no longer than HAL_NAME_LEN
       characters.

       hal_init - Sets up HAL and RTAPI

       Call only from within non-realtime or init/cleanup code, not from realtime tasks.

       On success, returns a positive integer module ID, which is used for subsequent calls  to  HAL  and  rtapi
       APIs.  On failure, returns a HAL error code.

LinuxCNC Documentation                             2006-10-12                                     hal_init(3hal)

               int hal_init(const char *modname)