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Man Pages


Manual Reference Pages  -  EXPLAIN_READ_OR_DIE (3)

NAME

explain_read_or_die - read from a file descriptor and report errors
"read from a file descriptor and report errors"

CONTENTS

Synopsis
Description
See Also
Copyright

SYNOPSIS

#include <libexplain/read.h>

long explain_read_or_die(int fildes, const void *data, long data_size);

DESCRIPTION

The B]explain_read_or_die function is used to call the I]read(2) system call. On failure an explanation will be printed to I]stderr, obtained from I]explain_read(3), and then the process terminates by calling CW]exit(EXIT_FAILURE).

This function is intended to be used in a fashion similar to the following example:

explain_read_or_die(fildes, data, data_size);

I]fildes The fildes, exactly as to be passed to the I]read(2) system call.
I]data The data, exactly as to be passed to the I]read(2) system call.
I]data_size
  The data_size, exactly as to be passed to the I]read(2) system call.
Returns: This function only returns on success. On failure, prints an explanation and exits.

SEE ALSO

I]read(2) read from a file descriptor
I]explain_read(3)
  explain I]read(2) errors
I]exit(2) terminate the calling process

COPYRIGHT

libexplain version 1.3
Copyright © 2008 Peter Miller
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