> > May I ask if there is a way to link error_t to the definition, should
> > be in errno.h
>
> I don't quite understand what you are suggesting. Can you elaborate.
Perhaps the patch below suffices to address what you meant(?).
Thanks,
Michael
====
commit 43891c16edf44b794b0ee794ff3add948a3fb22e (HEAD -> master)
Author: Michael Kerrisk <mtk.manpages@xxxxxxxxx>
Date: Mon Oct 26 17:13:33 2020 +0100
argz_add.3, envz_add.3: Point out that 'error_t' is an integer type
Reported-by: Jonny Grant <jg@xxxxxxxx>
Signed-off-by: Michael Kerrisk <mtk.manpages@xxxxxxxxx>
diff --git a/man3/argz_add.3 b/man3/argz_add.3
index 40b6eaa5d..bf80e906b 100644
--- a/man3/argz_add.3
+++ b/man3/argz_add.3
@@ -191,7 +191,8 @@ all null bytes (\(aq\e0\(aq) except the last by
.IR sep .
.SH RETURN VALUE
All argz functions that do memory allocation have a return type of
-.IR error_t ,
+.IR error_t
+(an integer type),
and return 0 for success, and
.B ENOMEM
if an allocation error occurs.
diff --git a/man3/envz_add.3 b/man3/envz_add.3
index c360c9604..d4ed0a8be 100644
--- a/man3/envz_add.3
+++ b/man3/envz_add.3
@@ -111,7 +111,8 @@ if there was one.
removes all entries with value NULL.
.SH RETURN VALUE
All envz functions that do memory allocation have a return type of
-.IR error_t ,
+.IR error_t
+(an integer type),
and return 0 for success, and
.B ENOMEM
if an allocation error occurs.
--
Michael Kerrisk
Linux man-pages maintainer; http://www.kernel.org/doc/man-pages/
Linux/UNIX System Programming Training: http://man7.org/training/
