| 22. 37. 1. tmpfile |
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| Item | Value | | Header file | stdio.h | | Declaration | FILE *tmpfile(void); | | Function | opens a temporary binary file for read/write operations and returns a pointer to the stream. | | Return | returns a null pointer on failure. |
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The temporary file created by tmpfile() is automatically removed when the file is closed or
when the program terminates. |
You can open TMP_MAX temporary files (up to the limit set by FOPEN_MAX). |
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#include <stdio.h>
int main(void){
FILE *temp;
if((temp=tmpfile())==NULL) {
printf("Cannot open temporary work file.\n");
exit(1);
}
}
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