ferror(3S)                                                       ferror(3S)

NAME
     ferror, feof, clearerr, fileno - stream status inquiries

SYNOPSIS
     #include <stdio.h>

     int ferror(FILE *Stream);

     int feof(FILE *Stream);

     void clearerr(FILE *Stream);

     int fileno(FILE *Stream);

DESCRIPTION
     ferror() returns non-zero when an error has previously occurred read-
     ing from or writing to the named Stream, otherwise zero.

     feof() returns non-zero when EOF has previously been detected reading
     the named input Stream, otherwise zero.

     clearerr() resets the error indicator and EOF indicator to zero on the
     named Stream.

     fileno() returns the integer file descriptor associated with the named
     Stream [see open(2)].

SEE ALSO
     open(2), fopen(3S), stdio(3S).


























Page 1                       Reliant UNIX 5.44                Printed 11/98