DOKK / manpages / debian 11 / libowfat-dev / imult32.3.en
imult32(3) Library Functions Manual imult32(3)

imult32 - integer multiplication with overflow checking

#include <safemult.h>

int imult32(int32 a,int32 b,int32* c);

imult32 does c=a*b and returns 1.

In case of an integer overflow, imult32 leaves c alone and returns 0.

imult16(3), umult32(3), imult64(3)