advfs: bs_init is entirely for kernel, so assume _KERNEL as defined
advfs: bs_init is entirely for kernel, so assume _KERNEL as defined
advfs: {,u}int{16,32}T -> {,u}int{16,32}_t and use <sys/stdint.h>
advfs: {,u}int32T -> {,u}int32_t
advfs: Remove NULL_STRUCT macro and cleaning
advfs: Go for <sys/stdint.h> uint64_t and native +, - operations