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-rw-r--r--lib/libutil/kinfo_getfile.37
-rw-r--r--lib/libutil/kinfo_getvmmap.37
2 files changed, 12 insertions, 2 deletions
diff --git a/lib/libutil/kinfo_getfile.3 b/lib/libutil/kinfo_getfile.3
index 3da9ca246bad..dfbec0bcb224 100644
--- a/lib/libutil/kinfo_getfile.3
+++ b/lib/libutil/kinfo_getfile.3
@@ -35,6 +35,7 @@
.Lb libutil
.Sh SYNOPSIS
.In sys/types.h
+.In sys/user.h
.In libutil.h
.Ft struct kinfo_file *
.Fn kinfo_getfile "pid_t pid" "int *cntp"
@@ -58,7 +59,7 @@ mib.
While the kernel returns a packed structure, this function expands the
data into a fixed record format.
.Sh RETURN VALUES
-The
+On success the
.Fn kinfo_getfile
function returns a pointer to an array of
.Vt struct kinfo_file
@@ -67,6 +68,10 @@ The array was obtained by an internal call to
.Xr malloc 3
and must be freed by the caller with a call to
.Xr free 3 .
+On failure the
+.Fn kinfo_getfile
+function returns
+.Dv NULL .
.Sh SEE ALSO
.Xr free 3 ,
.Xr kinfo_getvmmap 3 ,
diff --git a/lib/libutil/kinfo_getvmmap.3 b/lib/libutil/kinfo_getvmmap.3
index f0e76d9bc657..d917fe8ea0b6 100644
--- a/lib/libutil/kinfo_getvmmap.3
+++ b/lib/libutil/kinfo_getvmmap.3
@@ -35,6 +35,7 @@
.Lb libutil
.Sh SYNOPSIS
.In sys/types.h
+.In sys/user.h
.In libutil.h
.Ft struct kinfo_vmentry *
.Fn kinfo_getfile "pid_t pid" "int *cntp"
@@ -58,7 +59,7 @@ mib.
While the kernel returns a packed structure, this function expands the
data into a fixed record format.
.Sh RETURN VALUES
-The
+On success the
.Fn kinfo_getvmmap
function returns a pointer to an array of
.Vt struct kinfo_vmentry
@@ -67,6 +68,10 @@ The array was obtained by an internal call to
.Xr malloc 3
and must be freed by the caller with a call to
.Xr free 3 .
+On failure the
+.Fn kinfo_getvmmap
+function returns
+.Dv NULL .
.Sh SEE ALSO
.Xr free 3 ,
.Xr kinfo_getfile 3 ,