PARA_ERROR(FGETS, "fgets error"), \
PARA_ERROR(CHDIR, "failed to change directory"), \
PARA_ERROR(FCHDIR, "fchdir failed"), \
PARA_ERROR(FGETS, "fgets error"), \
PARA_ERROR(CHDIR, "failed to change directory"), \
PARA_ERROR(FCHDIR, "fchdir failed"), \