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#ifndef BTPD_SUBR_H
#define BTPD_SUBR_H
#include <stdio.h>
#include <stdarg.h>
#define min(x, y) ((x) <= (y) ? (x) : (y))
int set_nonblocking(int fd);
int set_blocking(int fd);
int mkdirs(char *path);
int vaopen(int *resfd, int flags, const char *fmt, va_list ap);
int vopen(int *resfd, int flags, const char *fmt, ...);
int vfopen(FILE **ret, const char *mode, const char *fmt, ...);
int vfsync(const char *fmt, ...);
void set_bit(uint8_t *bits, unsigned long index);
int has_bit(const uint8_t *bits, unsigned long index);
void clear_bit(uint8_t *bits, unsigned long index);
long rand_between(long min, long max);
int read_fully(int fd, void *buf, size_t len);
int write_fully(int fd, const void *buf, size_t len);
char *find_btpd_dir(void);
#endif
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