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MAX(3)                                                                  Linux Programmer's Manual                                                                 MAX(3)

NAME
       MAX, MIN - maximum or minimum of two values

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 converted to a different type (see BUGS).

ERRORS
       These macros may raise the "invalid" floating-point exception when any of the arguments is NaN.

CONFORMING TO
       These nonstandard macros are present in glibc and the BSDs.

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 argu‐
       ments 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                                                                          2020-11-01                                                                         MAX(3)