#ifndef BTPD_SUBR_H #define BTPD_SUBR_H #define min(x, y) ((x) <= (y) ? (x) : (y)) int set_nonblocking(int fd); int set_blocking(int fd); int mkdirs(char *path); int vopen(int *resfd, int flags, const char *fmt, ...); void set_bit(uint8_t *bits, unsigned long index); int has_bit(uint8_t *bits, unsigned long index); void clear_bit(uint8_t *bits, unsigned long index); int canon_path(const char *path, char **res); size_t round_to_page(size_t size); #endif