.TH "gbits.c" 3 "Tue May 3 2022" "Version 1.6.4" "NCEPLIBS-g2c" \" -*- nroff -*-
.ad l
.nh
.SH NAME
gbits.c \- Functions to pack and unpack bits to/from a packed bit string\&.  

.SH SYNOPSIS
.br
.PP
\fC#include 'grib2\&.h'\fP
.br

.SS "Functions"

.in +1c
.ti -1c
.RI "void \fBgbit\fP (unsigned char *in, \fBg2int\fP *iout, \fBg2int\fP iskip, \fBg2int\fP nbyte)"
.br
.RI "Get bits - unpack bits: Extract arbitrary size values from a packed bit string, right justifying each value in the unpacked iout array\&. "
.ti -1c
.RI "void \fBgbits\fP (unsigned char *in, \fBg2int\fP *iout, \fBg2int\fP iskip, \fBg2int\fP nbyte, \fBg2int\fP nskip, \fBg2int\fP n)"
.br
.RI "Get bits - unpack bits: Extract arbitrary size values from a packed bit string, right justifying each value in the unpacked iout array\&. "
.ti -1c
.RI "void \fBsbit\fP (unsigned char *out, \fBg2int\fP *in, \fBg2int\fP iskip, \fBg2int\fP nbyte)"
.br
.RI "Store bits - put arbitrary size values into a packed bit string, taking the low order bits from each value in the unpacked array\&. "
.ti -1c
.RI "void \fBsbits\fP (unsigned char *out, \fBg2int\fP *in, \fBg2int\fP iskip, \fBg2int\fP nbyte, \fBg2int\fP nskip, \fBg2int\fP n)"
.br
.RI "Store bits - put arbitrary size values into a packed bit string, taking the low order bits from each value in the unpacked array\&. "
.in -1c
.SH "Detailed Description"
.PP 
Functions to pack and unpack bits to/from a packed bit string\&. 


.PP
\fBAuthor\fP
.RS 4
NOAA Programmer 
.RE
.PP

.PP
Definition in file \fBgbits\&.c\fP\&.
.SH "Function Documentation"
.PP 
.SS "void gbit (unsigned char * in, \fBg2int\fP * iout, \fBg2int\fP iskip, \fBg2int\fP nbyte)"

.PP
Get bits - unpack bits: Extract arbitrary size values from a packed bit string, right justifying each value in the unpacked iout array\&. 
.PP
\fBParameters\fP
.RS 4
\fIin\fP pointer to character array input\&. 
.br
\fIiout\fP pointer to unpacked array output\&. 
.br
\fIiskip\fP initial number of bits to skip\&. 
.br
\fInbyte\fP number of bits to take\&.
.RE
.PP
\fBAuthor\fP
.RS 4
NOAA Programmer 
.RE
.PP

.PP
Definition at line 20 of file gbits\&.c\&.
.PP
References gbits()\&.
.PP
Referenced by comunpack(), g2_addfield(), g2_addgrid(), g2_addlocal(), g2_getfld(), g2_gribend(), g2_info(), g2_unpack1(), g2_unpack2(), g2_unpack3(), g2_unpack4(), g2_unpack5(), g2_unpack6(), g2_unpack7(), and seekgb()\&.
.SS "void gbits (unsigned char * in, \fBg2int\fP * iout, \fBg2int\fP iskip, \fBg2int\fP nbyte, \fBg2int\fP nskip, \fBg2int\fP n)"

.PP
Get bits - unpack bits: Extract arbitrary size values from a packed bit string, right justifying each value in the unpacked iout array\&. 
.PP
\fBParameters\fP
.RS 4
\fIin\fP pointer to character array input\&. 
.br
\fIiout\fP pointer to unpacked array output\&. 
.br
\fIiskip\fP initial number of bits to skip\&. 
.br
\fInbyte\fP number of bits to take\&. 
.br
\fInskip\fP additional number of bits to skip on each iteration\&. 
.br
\fIn\fP number of iterations\&.
.RE
.PP
\fBAuthor\fP
.RS 4
NOAA Programmer 
.RE
.PP

.PP
Definition at line 57 of file gbits\&.c\&.
.PP
Referenced by comunpack(), g2_unpack3(), g2_unpack4(), g2_unpack6(), gbit(), pngunpack(), simunpack(), and specunpack()\&.
.SS "void sbit (unsigned char * out, \fBg2int\fP * in, \fBg2int\fP iskip, \fBg2int\fP nbyte)"

.PP
Store bits - put arbitrary size values into a packed bit string, taking the low order bits from each value in the unpacked array\&. 
.PP
\fBParameters\fP
.RS 4
\fIout\fP pointer to packed array output\&. Must be allocated large enough to hold output\&. 
.br
\fIin\fP pointer to unpacked array input\&. 
.br
\fIiskip\fP initial number of bits to skip\&. 
.br
\fInbyte\fP number of bits to pack\&.
.RE
.PP
\fBAuthor\fP
.RS 4
NOAA Programmer 
.RE
.PP

.PP
Definition at line 38 of file gbits\&.c\&.
.PP
References sbits()\&.
.PP
Referenced by compack(), g2_addfield(), g2_addgrid(), g2_addlocal(), g2_create(), g2_gribend(), misspack(), and simpack()\&.
.SS "void sbits (unsigned char * out, \fBg2int\fP * in, \fBg2int\fP iskip, \fBg2int\fP nbyte, \fBg2int\fP nskip, \fBg2int\fP n)"

.PP
Store bits - put arbitrary size values into a packed bit string, taking the low order bits from each value in the unpacked array\&. 
.PP
\fBParameters\fP
.RS 4
\fIout\fP pointer to packed array output\&. Must be allocated large enough to hold output\&. 
.br
\fIin\fP pointer to unpacked array input\&. 
.br
\fIiskip\fP initial number of bits to skip\&. 
.br
\fInbyte\fP number of bits to pack\&. 
.br
\fInskip\fP additional number of bits to skip on each iteration\&. 
.br
\fIn\fP number of iterations\&.
.RE
.PP
\fBAuthor\fP
.RS 4
NOAA Programmer 
.RE
.PP

.PP
Definition at line 110 of file gbits\&.c\&.
.PP
Referenced by compack(), g2_addfield(), g2_addgrid(), jpcpack(), misspack(), pngpack(), sbit(), and simpack()\&.
.SH "Author"
.PP 
Generated automatically by Doxygen for NCEPLIBS-g2c from the source code\&.