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| explain_ioctl_or_die(3) | FreeBSD Library Functions Manual | explain_ioctl_or_die(3) |
NAME
explain_ioctl_or_die - control device and report errorsSYNOPSIS
#include <libexplain/ioctl.h>int explain_ioctl_or_die(int fildes, int request, void *data);
DESCRIPTION
The explain_ioctl_or_die function is used to call the ioctl(2) system call. On failure an explanation will be printed to stderr, obtained from explain_ioctl(3), and then the process terminates by calling exit(EXIT_FAILURE).This function is intended to be used in a fashion similar to the following example:
int result = explain_ioctl_or_die(fildes, request, data);
- fildes
- The fildes, exactly as to be passed to the ioctl(2) system call.
- request
- The request, exactly as to be passed to the ioctl(2) system call.
- data
- The data, exactly as to be passed to the ioctl(2) system call.
- Returns:
- This function only returns on success, see ioctl(2) for more information. On failure, prints an explanation and exit()s.
SEE ALSO
- ioctl(2)
- control device
- explain_ioctl(3)
- explain ioctl(2) errors
- exit(2)
- terminate the calling process
COPYRIGHT
libexplain version 1.3Copyright (C) 2008 Peter Miller
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