Function Tmpfile ()() in C

This guide covers function tmpfile ()() in c with practical context and easy-to-follow details. Use it to understand the subject and apply the information confidently.

Declare the Function Tmpfile ()() in C

Below is the declaration for the function tmpfile () in C:

 FILE * tmpfile ( void ) 

Parameters

This function does not receive any parameters.

Returns the value

If successful, this function returns a pointer to the temporary file created. If this file cannot be created, then the function returns NULL.

For example

The following program C illustrates the usage of the function tmpfile () in C:

 #include int main () { FILE * fp ; fp = tmpfile (); printf ( "Mot file tam thoi duoc tao !!!n" ); /* truoc khi su dung fclose, ban co the su dung file tam thoi nay */ fclose ( fp ); return ( 0 ); } 

Compile and run the above program to create a temporary file in / tmp folder but when the program exits, it will automatically be deleted and the program will produce the following result:

According to Tutorialspoint

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