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  if (next) *next = endptr;                             \

  return 0

/** Extract a long from the start of s, in the given numeric base.  If

 * there is unconverted data and next is provided, set *next to the

 * first unconverted character.  An error has occurred if no characters

 * are converted; or if there are unconverted characters and next is NULL; or

 * if the parsed value is not between min and max.  When no error occurs,

 * return the parsed value and set *ok (if provided) to 1.  When an error

 * occurs, return 0 and set *ok (if provided) to 0.

/** Extract a long from the start of <b>s</b>, in the given numeric

 * <b>base</b>.  If <b>base</b> is 0, <b>s</b> is parsed as a decimal,

 * octal, or hex number in the syntax of a C integer literal.  If

 * there is unconverted data and <b>next</b> is provided, set

 * *<b>next</b> to the first unconverted character.  An error has

 * occurred if no characters are converted; or if there are

 * unconverted characters and <b>next</b> is NULL; or if the parsed

 * value is not between <b>min</b> and <b>max</b>.  When no error

 * occurs, return the parsed value and set *<b>ok</b> (if provided) to

 * 1.  When an error occurs, return 0 and set *<b>ok</b> (if provided)

 * to 0.

 */

long

tor_parse_long(const char *s, int base, long min, long max,