Jonas Jermann writes: > gcc -g -Wall -I.. -o subrip subrip.c ../vobsub.o ../spudec.o ../mp_msg.o [...] > ../vobsub.o(.text+0x16ba): undefined reference to `urarlib_get' Try adding ../urarlib.o to the compile command, and report the results here, I'll change the header of the file then. Kim Minh.