Content-type: text/html Man page of ferror

ferror

Section: C Library Functions (3)
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NAME

ferror - Tests the error indicator on a stream  

LIBRARY

Standard C Library (libc.so, libc.a)  

SYNOPSIS

#include <stdio.h>

int ferror(
        FILE *stream);  

STANDARDS

Interfaces documented on this reference page conform to industry standards as follows:

ferror():  XPG4, XPG4-UNIX

Refer to the standards(5) reference page for more information about industry standards and associated tags.  

PARAMETERS

Specifies the input or output stream.  

DESCRIPTION

The ferror() function tests whether input/output errors have occurred on the specified stream.  

NOTES

[Digital]  The ferror() function may be a macro (depending on the compile-time definitions used in the source). Consequently, you cannot use this interface where a function is necessary; for example, a subroutine pointer cannot point to it.  

RETURN VALUES

If an I/O error occurred when reading from or writing to the stream specified by the stream parameter, a nonzero value is returned. Otherwise, a value of 0 (zero) is returned.  

RELATED INFORMATION

Functions: fopen(3), feof(3), fileno(3), clearerr(3)

Standards: standards(5) delim off


 

Index

NAME
LIBRARY
SYNOPSIS
STANDARDS
PARAMETERS
DESCRIPTION
NOTES
RETURN VALUES
RELATED INFORMATION

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Time: 02:42:30 GMT, October 02, 2010