[RFC v3 12/17] getdents.2: Use syscall(SYS_...); for system calls without a wrapper

From: Alejandro Colomar
Date: Sat Mar 13 2021 - 14:28:20 EST


Signed-off-by: Alejandro Colomar <alx.manpages@xxxxxxxxx>
---
man2/getdents.2 | 12 ++++++++----
1 file changed, 8 insertions(+), 4 deletions(-)

diff --git a/man2/getdents.2 b/man2/getdents.2
index ba41e0be8..7d5b0e01c 100644
--- a/man2/getdents.2
+++ b/man2/getdents.2
@@ -33,7 +33,11 @@
getdents, getdents64 \- get directory entries
.SH SYNOPSIS
.nf
-.BI "long getdents(unsigned int " fd ", struct linux_dirent *" dirp ,
+.BR "#include <sys/syscall.h>" " /* Definition of " SYS_* " constants */"
+.B #include <unistd.h>
+.PP
+.BI "long syscall(SYS_getdents, unsigned int " fd \
+", struct linux_dirent *" dirp ,
.BI " unsigned int " count );
.PP
.BR "#define _GNU_SOURCE" " /* See feature_test_macros(7) */"
@@ -43,9 +47,9 @@ getdents, getdents64 \- get directory entries
.fi
.PP
.IR Note :
-There is no glibc wrapper for
-.BR getdents ();
-see NOTES.
+There is no definition of
+.B struct linux_dirent
+in glibc; see NOTES.
.SH DESCRIPTION
These are not the interfaces you are interested in.
Look at
--
2.30.2