Man page - difftime(3)

Packages contains this manual

Available languages:

en fr pt_BR es pl ja ru ro de

Manual

difftime

NAME
LIBRARY
SYNOPSIS
DESCRIPTION
ATTRIBUTES
STANDARDS
HISTORY
SEE ALSO

NAME

difftime - calculate time difference

LIBRARY

Standard C library ( libc , -lc )

SYNOPSIS

#include <time.h>

double difftime(time_t time1 , time_t time0 );

DESCRIPTION

The difftime () function returns the number of seconds elapsed between time time1 and time time0 , represented as a double . Each time is a count of seconds.

difftime(b, a) acts like (b-a) except that the result does not overflow and is rounded to double .

ATTRIBUTES

For an explanation of the terms used in this section, see attributes (7).

Image grohtml-434701-1.png

STANDARDS

C11, POSIX.1-2008.

HISTORY

POSIX.1-2001, C89, SVr4, 4.3BSD.

SEE ALSO

date (1), gettimeofday (2), time (2), ctime (3), gmtime (3), localtime (3)