DOKK / manpages / debian 10 / libowfat-dev / umult32.3.en
umult32(3) Library Functions Manual umult32(3)

umult32 - integer multiplication with overflow checking

#include <safemult.h>

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

umult32 does c=a*b and returns 1.

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

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