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Man Pages


Manual Reference Pages  -  MACH-SWAP (3)

NAME

beswap2, beswap4, beswap8, beieeeftoa32, beieeeftoa64, beieeeftoa80, beload2, beload4, beload8, leswap2, leswap4, leswap8, leieeeftoa32, leieeeftoa64, leieeeftoa80, leload2, leload4, leload8, ieeeftoa32, ieeeftoa64 - machine-independent access to byte-ordered data

CONTENTS

Synopsis
Description
Source

SYNOPSIS

#include <u.h>
#include <libc.h>
#include <mach.h>

u16int  beswap2(u16int u)
u32int  beswap4(u32int u)
u64int  beswap8(u64int u)

int     beieeeftoa32(char *a, uint n, void *f)
int     beieeeftoa64(char *a, uint n, void *f)
int     beieeeftoa80(char *a, uint n, void *f)

u16int  beload2(uchar *p)
u32int  beload4(uchar *p)
u64int  beload8(uchar *p)

u16int  leswap2(u16int u)
u32int  leswap4(u32int u)
u64int  leswap8(u64int u)

int     leieeeftoa32(char *a, uint n, void *f)
int     leieeeftoa64(char *a, uint n, void *f)
int     leieeeftoa80(char *a, uint n, void *f)

u16int  leload2(uchar *p)
u32int  leload4(uchar *p)
u64int  leload8(uchar *p)

int     ieeeftoa32(char *a, uint n, u32int u)
int     ieeeftoa64(char *a, uint n, u32int hi, u32int lo)

DESCRIPTION

These functions provide machine-independent access to data in a particular byte order.

Beswap2, beswap4, and beswap8 return the 2-byte, 4-byte, and 8-byte big-endian representation of the bytes in val, respectively.

Beload2, beload4, and beload8 return the 2-byte, 4-byte, and 8-byte big-endian interpretation of the bytes at p, respectively.

Beieeeftoa32, beieeeftoa64, and beieeeftoa80 format the big-endian 4-byte, 8-byte, or 10-byte IEEE floating-point value at f into the n-byte string buffer a.

Leswap2, leswap4, etc. are the little-endian equivalents of the routines just described.

Ieeeftoa32 and ieeeftoa64 format a local machine byte-order floating-point value into the n-byte string buffer a. Ieeeftoa32 expects a 32-bit floating-point value stored in the bits of u. Ieeeftoa64 expects a 64-bit floating-point value whose high 32-bits are in hi and low 32-bits are in lo.

SOURCE

/usr/local/plan9/src/libmach

SEE ALSO

mach(3)
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