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use _GL_ATTRIBUTE_CONST and _GL_ATTRIBUTE_PURE
[pspp]
/
lib
/
isapipe.h
1
/* Whether pipes are FIFOs; -1 if not known. */
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#ifndef HAVE_FIFO_PIPES
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# define HAVE_FIFO_PIPES (-1)
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#endif
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6
int isapipe (int fd);