dup2             6394 ext/nkf/nkf-utf8/nkf.c 		    dup2(fds[1], 1);
dup2             6397 ext/nkf/nkf-utf8/nkf.c 		    dup2(fds[0], 0);
dup2             6403 ext/nkf/nkf-utf8/nkf.c 		dup2(fds[0], 0);
dup2             6406 ext/nkf/nkf-utf8/nkf.c 		dup2(fds[1], 1);
dup2             6514 ext/nkf/nkf-utf8/nkf.c 			    || dup2(fd, fileno(stdout)) < 0
dup2             6569 ext/nkf/nkf-utf8/nkf.c 		    if (dup2(fd_backup, fileno(stdout)) < 0){
dup2              252 ext/pty/pty.c      dup2(slave,0);
dup2              253 ext/pty/pty.c      dup2(slave,1);
dup2              254 ext/pty/pty.c      dup2(slave,2);
dup2               56 include/ruby/missing.h RUBY_EXTERN int dup2(int, int);
dup2             4409 io.c                       dup2(p->write_pair[0], 0);
dup2             4414 io.c                       dup2(p->pair[1], 1);
dup2             4421 io.c                       dup2(p->pair[1], 1);
dup2             4428 io.c                       dup2(p->pair[0], 0);
dup2             5247 io.c           	    if (dup2(fd2, fd) < 0)
dup2             5257 io.c           	    if (dup2(fd2, fd) < 0)
dup2             1725 process.c          ret = dup2(oldfd, newfd);
dup2             1750 process.c      #define redirect_dup2(oldfd, newfd) dup2(oldfd, newfd)
dup2             4219 process.c      	(void)dup2(n, 0);
dup2             4220 process.c      	(void)dup2(n, 1);
dup2             4221 process.c      	(void)dup2(n, 2);
dup2             1791 win32/win32.c       ((nullfd == (fd)) ? (keep = 1) : dup2(nullfd, fd)),	\