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0bd0e9889eb02b013eb31feea112dd1031bdbc15
[musl]
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fileno.c
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#include "stdio_impl.h"
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#include <errno.h>
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int fileno(FILE *f)
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{
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FLOCK(f);
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int fd = f->fd;
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FUNLOCK(f);
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if (fd < 0) {
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errno = EBADF;
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return -1;
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}
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return fd;
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}
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weak_alias(fileno, fileno_unlocked);