x04 Chapter Contents
x04 Chapter Introduction
NAG C Library Manual

# NAG Library Function Documentnag_close_file (x04adc)

## 1  Purpose

nag_close_file (x04adc) closes a file associated with a given file identifier.

## 2  Specification

 #include #include
 void nag_close_file (Nag_FileID fileid, NagError *fail)

## 3  Description

nag_close_file (x04adc) closes a file associated with a given file identifier (as returned by a call of nag_open_file (x04acc)).

None.

## 5  Arguments

1:     fileidNag_FileIDInput
On entry: the identifier of the file to be closed. This must have been returned by a call of nag_open_file (x04acc). Note that if the filename passed to nag_open_file (x04acc) was blank or NULL, nag_close_file (x04adc) does nothing.
2:     failNagError *Input/Output
The NAG error argument (see Section 3.6 in the Essential Introduction).

## 6  Error Indicators and Warnings

NE_NOT_CLOSE_FILEID
Cannot close file associated with identifier $〈\mathit{\text{value}}〉$.

Not applicable.