MAX(3) Library Functions Manual MAX(3)
NAME
MAX, MIN - maximum or minimum of two values
LIBRARY
Standard C library (libc, -lc)
SYNOPSIS
#include <sys/param.h>
MAX(a, b);
MIN(a, b);
DESCRIPTION
These macros return the maximum or minimum of a and b.
RETURN VALUE
These macros return the value of one of their arguments, possibly con-
verted to a different type (see BUGS).
ERRORS
These macros may raise the "invalid" floating-point exception when any
of the arguments is NaN.
STANDARDS
GNU, BSD.
NOTES
If either of the arguments is of a floating-point type, you might prefer
to use fmax(3) or fmin(3), which can handle NaN.
The arguments may be evaluated more than once, or not at all.
Some UNIX systems might provide these macros in a different header, or
not at all.
BUGS
Due to the usual arithmetic conversions, the result of these macros may
be very different from either of the arguments. To avoid this, ensure
that both arguments have the same type.
EXAMPLES
#include <stdio.h>
#include <stdlib.h>
#include <sys/param.h>
int
main(int argc, char *argv[])
{
int a, b, x;
if (argc != 3) {
fprintf(stderr, "Usage: %s <num> <num>\n", argv[0]);
exit(EXIT_FAILURE);
}
a = atoi(argv[1]);
b = atoi(argv[2]);
x = MAX(a, b);
printf("MAX(%d, %d) is %d\n", a, b, x);
exit(EXIT_SUCCESS);
}
SEE ALSO
fmax(3), fmin(3)
Linux man-pages 6.9.1 2024-06-15 MAX(3)
Generated by dwww version 1.16 on Sat Oct 3 11:20:54 CEST 2026.