[PATCH v1 5/6] man/man2/io_setup.2: Use syscall(2) in the SYNOPSIS

That's what we do when there's no glibc wrapper.

Also, remove the comment on the existing include, as we usually don't
comment when includes are needed for types; we only comment for
constants.

Signed-off-by: Alejandro Colomar <[email protected]>
---
 man/man2/io_setup.2 | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/man/man2/io_setup.2 b/man/man2/io_setup.2
index f2f59c61..398101fb 100644
--- a/man/man2/io_setup.2
+++ b/man/man2/io_setup.2
@@ -15,9 +15,11 @@ .SH LIBRARY
 see VERSIONS.
 .SH SYNOPSIS
 .nf
-.BR "#include <linux/aio_abi.h>" "          /* Defines needed types */"
+.B #include <linux/aio_abi.h>
+.BR "#include <sys/syscall.h>" "    /* Definition of SYS_* constants */"
+.B #include <unistd.h>
 .P
-.BI "long io_setup(unsigned int " n ", aio_context_t *" ctx_idp );
+.BI "long\~syscall(SYS_io_setup, unsigned int " n ", aio_context_t *" ctx_idp );
 .fi
 .P
 .IR Note :
-- 
2.53.0


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