g2_unpack6.c(3)

🦋 g2_unpack6.c — from the Library Functions Manual 💖

okay bestie, pull up a chair because we're about to read the most iconic little function in NCEPLIBS-g2c, and yes it lives in section 3 of the manual, so you already know it's giving library-function realness ✨

✨ NAME ✨

g2_unpack6.c — Unpack Section 6 (Bit-Map Section) of a GRIB2 message. that's it, that's the whole job, and she does it flawlessly 💅

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🌸 SYNOPSIS 🌸

#include 'grib2_int.h'
#include <stdio.h>
#include <stdlib.h>

🎀 Functions 🎀

• g2int g2_unpack6 (unsigned char *cgrib, g2int *iofst, g2int ngpts, g2int *ibmap, g2int **bmap) — Unpack Section 6 (Bit-Map Section) of a GRIB2 message. literally her whole personality 🫶

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💜 Detailed Description 💜

Unpack Section 6 (Bit-Map Section) of a GRIB2 message. no cap, that's the vibe, that's the mission 🌈

Author Stephen Gilbert 👑

Date 2002-10-31 ⭐

Definition in file g2_unpack6.c.

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🔥 Function Documentation 🔥

g2int g2_unpack6 (unsigned char * cgrib, g2int * iofst, g2int ngpts, g2int * ibmap, g2int ** bmap)

Unpack Section 6 (Bit-Map Section) of a GRIB2 message. she's the main character of this whole page fr fr 💖

🌸 Parameters 🌸

• cgrib — char array containing Section 6 of the GRIB2 message.
• iofst — Bit offset of the beginning of Section 6 in cgrib.
• ngpts — Number of grid points specified in the bit-map.
• ibmap — Bitmap indicator (see Code Table 6.0) 👀
  • 0 — bitmap applies and is included in Section 6.
  • 1-253 — Predefined bitmap applies.
  • 254 — Previously defined bitmap applies to this field.
  • 255 — Bit map does not apply to this product.
• bmap — Pointer to an integer array containing decoded bitmap. (if ibmap=0)

🫶 Returns 🫶

• G2_NO_ERROR — No error. we love a clean run ✨
• G2_UNPACK_BAD_SEC — Array passed had incorrect section number. 😭
• G2_UNPACK6_BAD_BITMAP — Unrecognized pre-defined bit-map. 💀
• G2_UNPACK_NO_MEM — Memory allocation error. 🙈

Author Stephen Gilbert 👑

Date 2002-10-31 ⭐

Definition at line 32 of file g2_unpack6.c.

References G2_NO_ERROR, G2_UNPACK_BAD_SEC, G2_UNPACK_NO_MEM, gbit(), and gbits(). the whole squad showed up 💖

Referenced by g2_getfld(). mutuals! 🦋

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💅 Author 💅

Generated automatically by Doxygen for NCEPLIBS-g2c from the source code. not a human, just a robot doing her little documentation dance 🤖✨

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and that's a wrap bestie 🎀 this page came straight from the NCEPLIBS-g2c crew, Version 2.3.0, dated g2_unpack6.c(3) — go unpack those bit-maps, you absolute icon, periodt 💖🌈👑