.TH imult64 3
.SH NAME
imult64 \- integer multiplication with overflow checking
.SH SYNTAX
.B #include <libowfat/safemult.h>

int \fBimult64\fP(int64 a,int64 b,int64* c);
.SH DESCRIPTION
imult64 does c=a*b and returns 1.

In case of an integer overflow, imult64 leaves \fIc\fR alone and returns
0.
.SH "SEE ALSO"
imult16(3), imult32(3), umult64(3)