/*
 * what an argument list looks like internally
 */
#ifndef _ARGS_D
#define _ARGS_D

/* generic arglist
 */
struct arg_t {
    int argc;
    char **argv;
} ;

/* environment variable
 */
struct env_t {
    char *name;
    char *value;
    int flags;
#define ENV_EXPORT	0x01	/* exported variable */
#define	ENV_TRACKED	0x02	/* tracked variable */
#define ENV_ALIAS	0x04	/* alias, not variable */
#define	ENV_FUNCTION	0x08	/* function, not variable */
} ;

/* environment block
 */
struct environ_t {
    char *textblock;	/* formatted environment for passing to children */
    int touched;	/* has the environment been touched since last time
			 * we created the textblock?
			 */
    int argc;		/* the environment variables */
    struct env_t *argv;
} ;

#endif /*_ARGS_D*/