newlib-cygwin/newlib/libc/sys/sysvi386/dup2.c

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2000-02-18 03:39:52 +08:00
#include <fcntl.h>
int
dup2 (int fd1, int fd2) {
close (fd2); /* ignore errors, if any */
return (fcntl (fd1, F_DUPFD, fd2));
}