|
Unix VPS
Support
FAQ
Network
Miscellaneous
|
| explain_telldir_or_die(3) | FreeBSD Library Functions Manual | explain_telldir_or_die(3) |
NAME
explain_telldir_or_die - current location in directory and report errorsSYNOPSIS
#include <libexplain/telldir.h>off_t explain_telldir_or_die(DIR *dir);
off_t explain_telldir_on_error(DIR *dir);
DESCRIPTION
The explain_telldir_or_die function is used to call the telldir(3) system call. On failure an explanation will be printed to stderr, obtained from the explain_telldir(3) function, and then the process terminates by calling exit(EXIT_FAILURE).The explain_telldir_on_error function is used to call the telldir(3) system call. On failure an explanation will be printed to stderr, obtained from the explain_telldir(3) function, but still returns to the caller.
- dir
- The dir, exactly as to be passed to the telldir(3) system call.
RETURN VALUE
The explain_telldir_or_die function only returns on success, see telldir(3) for more information. On failure, prints an explanation and exits, it does not return.The explain_telldir_on_error function always returns the value return by the wrapped telldir(3) system call.
EXAMPLE
The explain_telldir_or_die function is intended to be used in a fashion similar to the following example:off_t result = explain_telldir_or_die(dir);
SEE ALSO
- telldir(3)
- return current location in directory stream
- explain_telldir(3)
- explain telldir(3) errors
- exit(2)
- terminate the calling process
COPYRIGHT
libexplain version 1.3Copyright (C) 2009 Peter Miller
Visit the GSP FreeBSD Man Page Interface.
Output converted with ManDoc.