Types.Errno
type t = [
| `LIBELF
| `FORMAT
| `KVERSION
| `ENDIAN
| `INTERNAL
| `RELOC
| `LOAD
| `VERIFY
| `PROG2BIG
| `KVER
| `PROGTYPE
| `WRNGPID
| `INVSEQ
| `NLPARSE
| `UNKNOWN
]
val t : t F.typ