conv_num
bp = conv_num(bp, &i, 0, 99);
bp = conv_num(bp, &tm->tm_mday, 1, 31);
bp = conv_num(bp, &tm->tm_hour, 0, 23);
bp = conv_num(bp, &tm->tm_hour, 1, 12);
bp = conv_num(bp, &i, 1, 366);
bp = conv_num(bp, &tm->tm_min, 0, 59);
bp = conv_num(bp, &i, 1, 12);
bp = conv_num(bp, &tm->tm_sec, 0, 61);
bp = conv_num(bp, &i, 0, 53);
bp = conv_num(bp, &tm->tm_wday, 0, 6);
bp = conv_num(bp, &i, 1, 7);
bp = conv_num(bp, &i, 0, 99);
bp = conv_num(bp, &i, 1, 53);
bp = conv_num(bp, &i, 0, 9999);
bp = conv_num(bp, &i, 0, 99);
static const u_char *conv_num(const unsigned char *, int *, uint, uint);