Llair.Builtintype t = [ | `memset| `memcpy| `memmove| `malloc| `aligned_alloc| `calloc| `posix_memalign| `realloc| `mallocx| `rallocx| `xallocx| `sallocx| `dallocx| `sdallocx| `nallocx| `malloc_usable_size| `mallctl| `mallctlnametomib| `mallctlbymib| `malloc_stats_print| `strlen| `_ZN5folly13usingJEMallocEv| `cct_point ]val sexp_of_t : t -> Sexplib0.Sexp.tval all : t listval of_name : string -> t optionval to_name : t -> string