1 /* $NetBSD: vint64ops.h,v 1.4 2016/01/08 21:35:35 christos Exp $ */ 2 3 /* 4 * vint64ops.h - operations on 'vint64' values 5 * 6 * Written by Juergen Perlinger (perlinger@ntp.org) for the NTP project. 7 * The contents of 'html/copyright.html' apply. 8 * ---------------------------------------------------------------------- 9 * This is an attempt to get the vint64 calculations stuff centralised. 10 */ 11 #ifndef VINT64OPS_H 12 #define VINT64OPS_H 13 14 /* signed/unsigned compare. returns 1/0/-1 if lhs >/=/< rhs */ 15 extern int icmpv64(const vint64 * lhs, const vint64 * rhs); 16 extern int ucmpv64(const vint64 * lhs, const vint64 * rhs); 17 18 /* add / subtract */ 19 extern vint64 addv64(const vint64 *lhs, const vint64 *rhs); 20 extern vint64 addv64i32(const vint64 * lhs, int32_t rhs); 21 extern vint64 addv64u32(const vint64 * lhs, uint32_t rhs); 22 23 extern vint64 subv64(const vint64 *lhs, const vint64 *rhs); 24 extern vint64 subv64i32(const vint64 * lhs, int32_t rhs); 25 extern vint64 subv64u32(const vint64 * lhs, uint32_t rhs); 26 27 /* parsing. works like strtoul() or strtoull() */ 28 extern vint64 strtouv64(const char * begp, char ** endp, int base); 29 30 #endif /*!defined(VINT64OPS_H)*/ 31