Jeremy Soller
18 lines
390 B
C
18 lines
390 B
C
#include <unistd.h>
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#include <fcntl.h>
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#include <stdio.h>
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int main(int argc, char** argv) {
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creat("dup.out", 0777);
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int fd1 = open("dup.out", 0);
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int fd2 = dup(fd1);
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printf("fd %d duped into fd %d\n", fd1, fd2);
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close(fd1);
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close(fd2);
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int fd3 = open("dup.out", 0x0002, 0x1000);
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dup2(fd3, 1);
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printf("hello fd %d", fd3);
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close(fd3);
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return 0;
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}
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