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/* fast-enough functions for uriencoding strings. */
void uriencode_init(void);
bool uriencode(const char *src, char *dst, const size_t srclen, const size_t dstlen);

 * Wrappers around strtoull/strtoll that are safer and easier to
 * use.  For tests and assumptions, see internal_tests.c.
 * str   a NULL-terminated base decimal 10 unsigned integer
 * out   out parameter, if conversion succeeded
 * returns true if conversion succeeded.
bool safe_strtoull(const char *str, uint64_t *out);
bool safe_strtoull_hex(const char *str, uint64_t *out);
bool safe_strtoll(const char *str, int64_t *out);
bool safe_strtoul(const char *str, uint32_t *out);
bool safe_strtol(const char *str, int32_t *out);
bool safe_strtod(const char *str, double *out);
bool safe_strcpy(char *dst, const char *src, const size_t dstmax);
bool safe_memcmp(const void *a, const void *b, size_t len);

extern uint64_t htonll(uint64_t);
extern uint64_t ntohll(uint64_t);

#ifdef __GCC
# define __gcc_attribute__ __attribute__
# define __gcc_attribute__(x)

 * Vararg variant of perror that makes for more useful error messages
 * when reporting with parameters.
 * @param fmt a printf format
void vperror(const char *fmt, ...)
    __gcc_attribute__ ((format (printf, 1, 2)));