diff --git a/lib/libc/stdlib/memory.3 b/lib/libc/stdlib/memory.3
--- a/lib/libc/stdlib/memory.3
+++ b/lib/libc/stdlib/memory.3
@@ -27,13 +27,14 @@
 .\"
 .\"     @(#)memory.3	8.1 (Berkeley) 6/4/93
 .\"
-.Dd June 4, 1993
+.Dd October 13, 2023
 .Dt MEMORY 3
 .Os
 .Sh NAME
 .Nm malloc ,
 .Nm free ,
 .Nm realloc ,
+.Nm reallocf ,
 .Nm calloc ,
 .Nm alloca ,
 .Nm mmap
@@ -49,6 +50,8 @@
 .Ft void *
 .Fn realloc "void *ptr" "size_t size"
 .Ft void *
+.Fn reallocf "void *ptr" "size_t size"
+.Ft void *
 .Fn calloc "size_t nelem" "size_t elsize"
 .Ft void *
 .Fn alloca "size_t size"
@@ -69,8 +72,9 @@
 .Xr realloc 3
 .Sh STANDARDS
 These functions, with the exception of
-.Fn alloca
+.Fn alloca ,
+.Fn mmap ,
 and
-.Fn mmap
+.Fn reallocf ,
 conform to
 .St -isoC .