umult32 - integer multiplication with overflow checking

       umult32 does c=a*b and returns 1.

       In case of an integer overflow, umult32 leaves c alone and returns 0.

       umult32 - integer multiplication with overflow checking

umult16(3), imult32(3), umult64(3)

                                                                                                      umult32(3)

#include<libowfat/safemult.h>

       int umult32(uint32 a,uint32 b,uint32* c);