#define STRNCMPT (size_t)
#define SRANDTYPE (int)
#define WRITET (int)
#define READT (int)

int strncasecmp (const char *s1, const char *s2, size_t n);
int             fgetc (FILE * stream);
long            strtol (const char *str, char **ptr, int base);
int             system (const char *cmd);
extern long            random (void);

extern int             read (int df, char *buf, int nbyte);
extern int             write (int df, char *buf, int nbyte);
extern int             close (int fd);

extern void            srandom (int x);
