DragonFly On-Line Manual Pages

umult64(3)            DragonFly Library Functions Manual            umult64(3)

NAME
       umult64 - integer multiplication with overflow checking

SYNTAX
       #include <safemult.h>

       int umult64(uint64 a,uint64 b,uint64* c);

DESCRIPTION
       umult64 does c=a*b and returns 1.

       In case of an integer overflow, umult64 leaves c alone and returns 0.

SEE ALSO
       imult16(3), imult32(3), imult64(3)

                                                                    umult64(3)