1290001Sglebius/*
2290001Sglebius * vint64ops.h - operations on 'vint64' values
3290001Sglebius *
4290001Sglebius * Written by Juergen Perlinger (perlinger@ntp.org) for the NTP project.
5290001Sglebius * The contents of 'html/copyright.html' apply.
6290001Sglebius * ----------------------------------------------------------------------
7290001Sglebius * This is an attempt to get the vint64 calculations stuff centralised.
8290001Sglebius */
9290001Sglebius#ifndef VINT64OPS_H
10290001Sglebius#define VINT64OPS_H
11290001Sglebius
12290001Sglebius/* signed/unsigned compare. returns 1/0/-1 if lhs >/=/< rhs */
13290001Sglebiusextern int icmpv64(const vint64 * lhs,	const vint64 * rhs);
14290001Sglebiusextern int ucmpv64(const vint64 * lhs,	const vint64 * rhs);
15290001Sglebius
16290001Sglebius/* add / subtract */
17290001Sglebiusextern vint64 addv64(const vint64 *lhs, const vint64 *rhs);
18290001Sglebiusextern vint64 addv64i32(const vint64 * lhs, int32_t rhs);
19290001Sglebiusextern vint64 addv64u32(const vint64 * lhs, uint32_t rhs);
20290001Sglebius
21290001Sglebiusextern vint64 subv64(const vint64 *lhs, const vint64 *rhs);
22290001Sglebiusextern vint64 subv64i32(const vint64 * lhs, int32_t rhs);
23290001Sglebiusextern vint64 subv64u32(const vint64 * lhs, uint32_t rhs);
24290001Sglebius
25290001Sglebius/* parsing. works like strtoul() or strtoull() */
26290001Sglebiusextern vint64 strtouv64(const char * begp, char ** endp, int base);
27290001Sglebius
28290001Sglebius#endif /*!defined(VINT64OPS_H)*/
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