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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-24 04:52:22 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-24 04:52:22 +0000 |
commit | 3d08cd331c1adcf0d917392f7e527b3f00511748 (patch) | |
tree | 312f0d1e1632f48862f044b8bb87e602dcffb5f9 /man/man3/fseeko.3 | |
parent | Adding debian version 6.7-2. (diff) | |
download | manpages-3d08cd331c1adcf0d917392f7e527b3f00511748.tar.xz manpages-3d08cd331c1adcf0d917392f7e527b3f00511748.zip |
Merging upstream version 6.8.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'man/man3/fseeko.3')
-rw-r--r-- | man/man3/fseeko.3 | 102 |
1 files changed, 102 insertions, 0 deletions
diff --git a/man/man3/fseeko.3 b/man/man3/fseeko.3 new file mode 100644 index 0000000..e108ec7 --- /dev/null +++ b/man/man3/fseeko.3 @@ -0,0 +1,102 @@ +'\" t +.\" Copyright 2001 Andries Brouwer <aeb@cwi.nl>. +.\" +.\" SPDX-License-Identifier: Linux-man-pages-copyleft +.\" +.TH fseeko 3 2024-05-02 "Linux man-pages (unreleased)" +.SH NAME +fseeko, ftello \- seek to or report file position +.SH LIBRARY +Standard C library +.RI ( libc ", " \-lc ) +.SH SYNOPSIS +.nf +.B #include <stdio.h> +.P +.BI "int fseeko(FILE *" stream ", off_t " offset ", int " whence ); +.BI "off_t ftello(FILE *" stream ); +.fi +.P +.RS -4 +Feature Test Macro Requirements for glibc (see +.BR feature_test_macros (7)): +.RE +.P +.BR fseeko (), +.BR ftello (): +.nf + _FILE_OFFSET_BITS == 64 || _POSIX_C_SOURCE >= 200112L +.fi +.SH DESCRIPTION +The +.BR fseeko () +and +.BR ftello () +functions are identical to +.BR fseek (3) +and +.BR ftell (3) +(see +.BR fseek (3)), +respectively, except that the +.I offset +argument of +.BR fseeko () +and the return value of +.BR ftello () +is of type +.I off_t +instead of +.IR long . +.P +On some architectures, both +.I off_t +and +.I long +are 32-bit types, but defining +.B _FILE_OFFSET_BITS +with the value 64 (before including +.I any +header files) +will turn +.I off_t +into a 64-bit type. +.SH RETURN VALUE +On successful completion, +.BR fseeko () +returns 0, while +.BR ftello () +returns the current offset. +Otherwise, \-1 is returned and +.I errno +is set to indicate the error. +.SH ERRORS +See the ERRORS in +.BR fseek (3). +.SH ATTRIBUTES +For an explanation of the terms used in this section, see +.BR attributes (7). +.TS +allbox; +lbx lb lb +l l l. +Interface Attribute Value +T{ +.na +.nh +.BR fseeko (), +.BR ftello () +T} Thread safety MT-Safe +.TE +.SH STANDARDS +POSIX.1-2008. +.SH HISTORY +glibc 2.1. +POSIX.1-2001, SUSv2. +.SH NOTES +The declarations of these functions can also be obtained by defining +the obsolete +.B _LARGEFILE_SOURCE +feature test macro. +.SH SEE ALSO +.BR fseek (3) |