Content-type: text/html Man page of isfdtype

isfdtype

Section: C Library Functions (3)
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NAME

isfdtype - Tests a file descriptor for a specific file type  

LIBRARY

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

SYNOPSIS

#include <sys/stat.h>

int isfdtype (        int filedes,
       int fd_type);
 

STANDARDS

The isfdtype function supports POSIX.1g Draft 6.6.

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

PARAMETERS

Specifies the file descriptor to be tested. Specifies the file type to test for. Valid file types are defined in the <sys/mode.h> include file.  

DESCRIPTION

The isfdtype() function tests whether a file descriptor has a specific file type.  

RETURN VALUES

Upon successful completion, the isfdtype() function returns a 1 if the file descriptor has the specific file type or a 0 (zero) if it does not. If the isfdtype() function fails, a value of -1 is returned and errno is set to indicate the error.  

ERRORS

If the isfdtype() function fails, errno may be set to the following value: The filedes parameter is not a valid file descriptor.  

RELATED INFORMATION

Functions: socket(2), stat(2), isatty(3).

Standards: standards(5). delim off


 

Index

NAME
LIBRARY
SYNOPSIS
STANDARDS
PARAMETERS
DESCRIPTION
RETURN VALUES
ERRORS
RELATED INFORMATION

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Time: 02:42:28 GMT, October 02, 2010