tai_pack - convert to external TAI64 format

       tai_pack converts a TAI64 label from internal format in t to external TAI64 format in buf.

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

       tai_pack - convert to external TAI64 format

taia_pack(3), tai_unpack(3)

                                                                                                     tai_pack(3)

#include<libowfat/tai.h>

       extern int tai_pack(char* buf,const struct tai* t);