37 lines
542 B
C
37 lines
542 B
C
#include <stdio.h>
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void writestuff (FILE *f)
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{
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fprintf (f, "hello world\n");
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fputc ('y', f);
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putc ('e', f);
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}
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void readstuff (FILE *f)
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{
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int c, d;
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char stuff[100], *s;
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c = fgetc (f);
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ungetc (c, f);
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d = fgetc (f);
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s = fgets (stuff, sizeof(stuff), f);
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}
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int main ()
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{
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FILE *f;
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writestuff (stdout);
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writestuff (stderr);
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f = fopen ("/dev/null", "w");
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writestuff (f);
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fclose (f);
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f = fopen ("/dev/zero", "r");
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readstuff (f);
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f = freopen ("/dev/null", "w", f);
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writestuff (f);
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fclose (f);
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return 0;
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}
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