Open a temporary file.

This function is compatible with the following targets:

ANSI

BeOS

EMB/RTOS

Mac OS

Palm OS

Win32

#include <stdio.h>

FILE *tmpfile(void);

The tmpfile() function creates and opens a binary file that is automatically removed when it is closed or when the program terminates.

tmpfile() returns a pointer to the FILE variable of the temporary file if it is successful. If it fails, tmpfile() returns a null pointer (NULL).

"fopen"

"tmpnam"

#include <stdio.h>
#include <stdlib.h>

int main(void)
{
	FILE *f;
	
	// create a new temporary file for output
	if ( (f = tmpfile()) == NULL) {
		printf("Can't open temporary file.\n");
		exit(1);
	}

	// output text to the temporary file
	fprintf(f, "watch clock timer glue\n");

	// close AND DELETE the temporary file 
	// using fclose()
	fclose(f);

	return 0;
}