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// engine.h
#ifndef ENGINE_H
#define ENGINE_H
// includes
#include "util.h"
#include "pipex.h"
// types
typedef struct {
pipex_t pipex[1];
} engine_t;
// variables
extern engine_t Engine[1];
// functions
extern bool engine_is_ok (const engine_t * engine);
extern void engine_open (engine_t * engine);
extern void engine_close (engine_t * engine);
extern bool engine_active (engine_t * engine);
extern bool engine_eof (engine_t * engine);
extern void engine_send (engine_t * engine, const char format[], ...);
extern void engine_send_queue (engine_t * engine, const char format[], ...);
extern bool engine_get_non_blocking(engine_t * engine, char string[]);
extern void engine_get (engine_t * engine, char string[]);
extern void engine_set_nice_value(engine_t * engine, int value);
#endif // !defined ENGINE_H
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