FERROR(3S)          UNIX Programmer's Manual           FERROR(3S)

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

SYNOPSIS
     #include <stdio.h>

     int feof (stream)
     FILE *stream;

     int ferror (stream)
     FILE *stream

     clearerr (stream)
     FILE *stream

     fileno(stream)
     FILE *stream;

HP-UX COMPATIBILITY
     Level:    HP-UX/RUN ONLY

     Origin:   System V

DESCRIPTION
     _F_e_o_f returns non-zero when end of file is read on the  named
     input _s_t_r_e_a_m, otherwise zero.

     _F_e_r_r_o_r returns non-zero when error has occurred  reading  or
     writing the named _s_t_r_e_a_m, otherwise zero.  Unless cleared by
     _c_l_e_a_r_e_r_r, the error indication lasts  until  the  stream  is
     closed.

     _C_l_e_a_r_e_r_r resets the error indication on the named _s_t_r_e_a_m.

     _F_i_l_e_n_o returns the integer file descriptor  associated  with
     the _s_t_r_e_a_m, see _o_p_e_n(2).

     _F_e_o_f, _f_e_r_r_o_r, and _f_i_l_e_n_o are  implemented  as  macros;  they
     cannot be re-declared.

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