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cmap_open.c File Reference

Opening CCP4-format map files. More...

#include <string.h>
#include <math.h>
#include <stdarg.h>
#include <fcntl.h>
#include "cmaplib.h"
#include "cmap_header.h"
#include "cmap_labels.h"
#include "cmap_errno.h"

Functions
CMMFile *	init_cmap_read (void)
CMMFile *	init_cmap_write (void)
int	is_cmap (CCP4File *file)
void *	ccp4_cmap_open (const char *filename, int mode)

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Detailed Description

Opening CCP4-format map files.

Author:

Charles Ballard

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Function Documentation

void* ccp4_cmap_open (  const char *    filename, int    mode )

The file is opened. Parameters: filename  (char *) the filename mode  (int) the i/o mode , possible values are O_RDONLY, O_WRONLY, O_RDWR, O_APPEND, O_TMP, O_CREAT, O_TRUNC - see ccp4_sysdep.h Returns: (void *) CMMFile structure

CMMFile* init_cmap_read (  void    )

Internal: malloc CMMFile struct for reading into Returns: CMMFile

CMMFile* init_cmap_write (  void    )

Internal: malloc CMMFile struct for writing Returns: CMMFile

int is_cmap (  CCP4File *    file )

Internal: Identify file as a ccp4 format map Parameters: file  The (CCP4File *) struct representing the file. Returns: non-zero on true, 0 on false