libowfat/mult/umult64.3

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342 B
Groff

.TH umult64 3
.SH NAME
umult64 \- integer multiplication with overflow checking
.SH SYNTAX
.B #include <safemult.h>
int \fBumult64\fP(uint64 a,uint64 b,uint64* c);
.SH DESCRIPTION
umult64 does c=a*b and returns 1.
In case of an integer overflow, umult64 leaves \fIc\fR alone and returns
0.
.SH "SEE ALSO"
imult16(3), imult32(3), imult64(3)