DOKK / manpages / debian 11 / libowfat-dev / imult16.3.en
imult16(3) Library Functions Manual imult16(3)

imult16 - integer multiplication with overflow checking

#include <safemult.h>

int imult16(int16 a,int16 b,int16* c);

imult16 does c=a*b and returns 1.

In case of an integer overflow, imult16 leaves c alone and returns 0.

umult16(3), imult32(3), imult64(3)