Return value ignored warning from lint [was: Why use (void) func()]

[Jeffrey T. Hutzelman]

jak at sactoh0.SAC.CA.US (Jay A. Konigsberg) writes:

> fd=open("name", O_WRITE);
> fprintf(fd, "some string with or without variables");
>
> or dup() a file descriptor to stdout and use printf() to write to a
> file, then I definiatly want to know about ignoring the return value.

You can't do that.  open() and dup() generate file DESCRIPTORS -
basically ID numbers.  stdin and family and the first argument of
fprintf are file POINTERS of type FILE *.  They are 2 different things.
-----------------
Jeffrey Hutzelman
America Online: JeffreyH11
Internet/BITNET:jh4o+ at andrew.cmu.edu, jhutz at drycas.club.cc.cmu.edu

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