| offset || A pointer to an |
.Vt int which saves the offset in
.Vt "struct sysent" where the syscall is allocated.
| new_sysent || The function implementing the syscall and the number of arguments this function needs (see |
.In sys/sysent.h ) .
| evh || A pointer to the kernel module event handler function with the argument arg. Please refer to module(9) for more information. |
| arg || The argument passed to the callback functions of the evh event handler when it is called. |