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Diffstat (limited to 'upstream/fedora-40/man3/difftime.3')
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diff --git a/upstream/fedora-40/man3/difftime.3 b/upstream/fedora-40/man3/difftime.3 new file mode 100644 index 00000000..77aec052 --- /dev/null +++ b/upstream/fedora-40/man3/difftime.3 @@ -0,0 +1,60 @@ +'\" t +.\" Copyright 1993 David Metcalfe (david@prism.demon.co.uk) +.\" +.\" SPDX-License-Identifier: Linux-man-pages-copyleft +.\" +.\" References consulted: +.\" Linux libc source code +.\" Lewine's _POSIX Programmer's Guide_ (O'Reilly & Associates, 1991) +.\" 386BSD man pages +.\" Modified Sat Jul 24 19:48:17 1993 by Rik Faith (faith@cs.unc.edu) +.TH difftime 3 2023-11-11 "Linux man-pages 6.06" +.SH NAME +difftime \- calculate time difference +.SH LIBRARY +Standard C library +.RI ( libc ", " \-lc ) +.SH SYNOPSIS +.nf +.B #include <time.h> +.P +.BI "double difftime(time_t " time1 ", time_t " time0 ); +.fi +.SH DESCRIPTION +The +.BR difftime () +function returns the number of seconds elapsed +between time \fItime1\fP and time \fItime0\fP, represented as a +.IR double . +Each time is a count of seconds. +.P +.I difftime(b,\~a) +acts like +.I (b\-a) +except that the result does not overflow and is rounded to +.IR double . +.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 difftime () +T} Thread safety MT-Safe +.TE +.SH STANDARDS +C11, POSIX.1-2008. +.SH HISTORY +POSIX.1-2001, C89, SVr4, 4.3BSD. +.SH SEE ALSO +.BR date (1), +.BR gettimeofday (2), +.BR time (2), +.BR ctime (3), +.BR gmtime (3), +.BR localtime (3) |