Programming in C: Unit V: File processing

Creating a Temporary File

Programming in C | File processing

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CREATING A TEMPORARY FILE

The tmpfile() function is used to create a temporary file. The tmpfile () opens the corresponding stream with access parameters set as "w+". The file created with tmpfile () will be automatically deleted when all references to the file are closed, i.e., the file created will be automatically closed and erased when the program has been completely executed. The prototype of tmpfile() as given is stdio.h header file is

FILE * tmpfile (void);

On success, tmpfile () will return a pointer to the stream of the file that is created. In case of an error, the function will return a null pointer and set errno to indicate the error.

The function can be used in the following manner:

FILE *tp = tmpfile();

Now the file created can be used in the same way as any other text or binary file.

Programming in C: Unit V: File processing : Tag: : Programming in C | File processing - Creating a Temporary File

Home | Department: CSE Department | Ist Year | Subject: Programming in C |

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Programming in C: Unit V: File processing

Introduction to Files - File processing in C Programming

Using Files in C - Syntax with Example C Programs

Read Data From Files - Syntax with Example C Programs

Writing Data From Files - Syntax with Example C Programs

Detecting the End-of-File - Syntax with Example C Programs

Error Handling During File Operations - Syntax with Example C Programs

Accepting Command Line Arguments - Syntax with Example C Programs | File processing

Function for Selecting a Record Randomly - Syntax with Example C Programs | File processing

Remove() - Syntax with Example C Program

Renaming the File - Syntax with Example C Program

Creating a Temporary File - Programming in C | File processing

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