df.h

linux 中df命令的实现c语言源码

/*********************************************************************
Copyright (c)	:	 free software.
*Filename		:	df.h
*Author			:	gxg
*Version		:	1.0
*History		:	
*Data			:	2008.09.22
*Description	:	
*Other			:	
*********************************************************************/
#ifndef __COMMON_H__
#define __COMMON_H__

#ifdef __cplusplus
#if __cplusplus
extern "C"{
#endif
#endif /* __cplusplus */

#define CONFIG_FEATURE_HUMAN_READABLE
#define EXIT_SUCCESS          	0
#define BB_GETOPT_ERROR 	0x80000000


enum {
	KILOBYTE = 1024,
	MEGABYTE = (KILOBYTE*1024),
	GIGABYTE = (MEGABYTE*1024)
};

typedef struct llist_s {
	char *data;
	struct llist_s *link;
} llist_t;

#define  no_argument   0
const char *bb_opt_complementally;

typedef struct {
	int opt;
	int list_flg;
	unsigned long switch_on;
	unsigned long switch_off;
	unsigned long incongruously;
	unsigned long requires;
	void **optarg;               /* char **optarg or llist_t **optarg */
	int *counter;
} t_complementally;

extern char *optarg; /* in unistd.h */
extern int  optind, opterr, optopt; /* in unistd.h */




#ifdef __cplusplus
#if __cplusplus
}
#endif
#endif /* __cplusplus */

#endif  //__COMMON_H__