taia_pack - convert to external TAI64NA format

       taia_pack converts a TAI64NA label from internal format in t to external TAI64NA format in buf.

       See http://cr.yp.to/libtai/tai64.html

       taia_pack - convert to external TAI64NA format

tai_pack(3), taia_unpack(3)

                                                                                                    taia_pack(3)

#include<libowfat/taia.h>

       extern int taia_pack(char* buf,const struct taia* t);