F_DUPFD_CLOEXEC   364 io.c           #if defined(HAVE_FCNTL) && defined(F_DUPFD_CLOEXEC) && defined(F_DUPFD)
F_DUPFD_CLOEXEC   367 io.c                   ret = fcntl(fd, F_DUPFD_CLOEXEC, minfd);
F_DUPFD_CLOEXEC  8990 io.c           #ifdef F_DUPFD_CLOEXEC /* linux specific */
F_DUPFD_CLOEXEC  8991 io.c                 case F_DUPFD_CLOEXEC:
F_DUPFD_CLOEXEC  4210 win32/win32.c        case F_DUPFD: case F_DUPFD_CLOEXEC: {