PARA_ERROR(FGETS, "fgets error"), \
PARA_ERROR(CHDIR, "failed to change directory"), \
PARA_ERROR(FCHDIR, "fchdir failed"), \
- PARA_ERROR(OPENDIR, "can not open directory"), \
PARA_ERROR(OPEN, "failed to open file"), \
PARA_ERROR(CHDIR_PERM, "insufficient permissions to chdir"), \