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