F_GETLK
FCNTL_INFO_ENTRY_TYPE(F_GETLK, struct flock*),
if (op == F_SETLK || op == F_SETLKW || op == F_GETLK) {
case F_GETLK:
if (fcntl(fileDescriptor, F_GETLK, &fileLock) == -1)