From: Alejandro Colomar <alx.manpages@gmail.com>
Date: Mon, 10 May 2021 17:55:46 +0000 (+0200)
Subject: readdir.2: Use syscall(SYS_...); for system calls without a wrapper
X-Git-Tag: man-pages-5.12~138
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=8f33ee075a8fba021449ee4cbdfa7ced1bb21cc1;p=thirdparty%2Fman-pages.git

readdir.2: Use syscall(SYS_...); for system calls without a wrapper

Signed-off-by: Alejandro Colomar <alx.manpages@gmail.com>
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
---

diff --git a/man2/readdir.2 b/man2/readdir.2
index f4bd5bdf79..fde142413f 100644
--- a/man2/readdir.2
+++ b/man2/readdir.2
@@ -32,13 +32,17 @@
 readdir \- read directory entry
 .SH SYNOPSIS
 .nf
+.BR "#include <sys/syscall.h>" "      /* Definition of " SYS_* " constants */"
+.B #include <unistd.h>
 .PP
-.BI "int readdir(unsigned int " fd ", struct old_linux_dirent *" dirp ","
-.BI "            unsigned int " count );
+.BI "int syscall(SYS_readdir, unsigned int " fd ,
+.BI "            struct old_linux_dirent *" dirp ", unsigned int " count );
 .fi
 .PP
 .IR Note :
-There is no glibc wrapper for this system call; see NOTES.
+There is no definition of
+.BR "struct old_linux_dirent" ;
+see NOTES.
 .SH DESCRIPTION
 This is not the function you are interested in.
 Look at
@@ -116,8 +120,6 @@ File descriptor does not refer to a directory.
 .SH CONFORMING TO
 This system call is Linux-specific.
 .SH NOTES
-Glibc does not provide a wrapper for this system call; call it using
-.BR syscall (2).
 You will need to define the
 .I old_linux_dirent
 structure yourself.