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#ifndef CERC_UTIL_H
#define CERC_UTIL_H
#include <stddef.h>
enum exit_status {
/* EXIT_SUCCESS = 0 (defined in stdlib.h) */
EXIT_USER = 1,
EXIT_LEX = 2,
EXIT_PARSE = 3,
EXIT_CHECK = 4,
EXIT_ABNORMAL = 255,
};
void *must_malloc(size_t size);
void *must_calloc(size_t nmemb, size_t size);
void *must_realloc(void *ptr, size_t size);
#endif
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