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*/
+#include "system.h"
+
typedef struct environment {
int n;
int size;
} environment_t;
extern int environment_add(environment_t *env, const char *format, ...);
-extern int environment_placeholder(environment_t *env);
extern void environment_update(environment_t *env, int pos, const char *format, ...);
extern void environment_init(environment_t *env);
extern void environment_exit(environment_t *env);