15 lines
292 B
C
15 lines
292 B
C
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#include <stdio.h>
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#include <stdio.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <fcntl.h>
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#include <unistd.h>
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int main(int argc, char const *argv[])
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{
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int flags = fcntl(STDIN_FILENO, F_GETFL);
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flags ^= O_NONBLOCK;
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fcntl(STDIN_FILENO, F_SETFL, flags);
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return 0;
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}
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