Scm_SysFcntl 145 ext/fcntl/fcntlib.c SCM_RESULT = Scm_SysFcntl(port_or_fd, op, arg); Scm_SysFcntl 53 ext/fcntl/gauche/fcntl.h extern ScmObj Scm_SysFcntl(ScmObj port_or_fd, int op, ScmObj arg);