types.h

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#ifndef DEF_TYPES_H_
#define DEF_TYPES_H_

typedef unsigned char bool_t;

typedef enum retcode_e {
    RET_SUCCESS         = 0,
    RET_ERROR           = -1,
    RET_SYSCALL_INVALID = -2,
} retcode_t;

#define FALSE 0
#define TRUE  1

#endif