DIV
Section: Linux Programmer's Manual (3)
Updated: 2010-09-20
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NAME
div, ldiv, lldiv, imaxdiv - compute quotient and remainder of
an integer division
SYNOPSIS
#include <stdlib.h>
div_t div(int numerator, int denominator);
ldiv_t ldiv(long numerator, long denominator);
lldiv_t lldiv(long long numerator, long long denominator);
#include <inttypes.h>
imaxdiv_t imaxdiv(intmax_t numerator, intmax_t denominator);
Feature Test Macro Requirements for glibc (see
feature_test_macros(7)):
lldiv():
-
_XOPEN_SOURCE >= 600 || _ISOC99_SOURCE ||
_POSIX_C_SOURCE >= 200112L;
or
cc -std=c99
DESCRIPTION
The
div()
function computes the value
numerator/
denominator and
returns the quotient and remainder in a structure
named
div_t that contains
two integer members (in unspecified order) named
quot and
rem.
The quotient is rounded toward zero.
The result satisfies
quot*
denominator+
rem =
numerator.
The
ldiv(),
lldiv(),
and
imaxdiv()
functions do the same,
dividing numbers of the indicated type and
returning the result in a structure
of the indicated name, in all cases with fields quot and rem
of the same type as the function arguments.
RETURN VALUE
The
div_t (etc.) structure.
CONFORMING TO
SVr4, 4.3BSD, C89.
The functions
lldiv()
and
imaxdiv()
were added in C99.
EXAMPLE
After
div_t q = div(-5, 3);
the values
q.quot and
q.rem are -1 and -2, respectively.
SEE ALSO
abs(3),
remainder(3)
COLOPHON
This page is part of release 3.35 of the Linux
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project.
A description of the project,
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can be found at
http://man7.org/linux/man-pages/.
Index
- NAME
-
- SYNOPSIS
-
- DESCRIPTION
-
- RETURN VALUE
-
- CONFORMING TO
-
- EXAMPLE
-
- SEE ALSO
-
- COLOPHON
-
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