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libipc-old
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libipc-old/open-write-close-fifo.c

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#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
int main(int argc, char * argv[])
{
char *fifopathin = "/tmp/123000-1-in";
size_t msize;
FILE *out = fopen (fifopathin, "wb");
printf ("opened\n");
char *buf = "coucou";
printf ("write %s\n", buf);
if ((msize = fread (buf, 6, 1, out))) {
printf ("error read %ld\n", msize);
return EXIT_FAILURE;
}
sleep (10);
printf ("write end\n");
fclose (out);
return EXIT_SUCCESS;
}