File list of package libgsm1-dev in bullseye of architecture i386
/usr/include/gsm.h
/usr/include/gsm/gsm.h
/usr/lib/i386-linux-gnu/libgsm.a
/usr/lib/i386-linux-gnu/libgsm.so
/usr/share/doc/libgsm1-dev/MACHINES
/usr/share/doc/libgsm1-dev/README
/usr/share/doc/libgsm1-dev/changelog.Debian.gz
/usr/share/doc/libgsm1-dev/changelog.gz
/usr/share/doc/libgsm1-dev/copyright
/usr/share/man/man3/gsm.3.gz
/usr/share/man/man3/gsm_create.3.gz
/usr/share/man/man3/gsm_decode.3.gz
/usr/share/man/man3/gsm_destroy.3.gz
/usr/share/man/man3/gsm_encode.3.gz
/usr/share/man/man3/gsm_explode.3.gz
/usr/share/man/man3/gsm_implode.3.gz