constant
<cstdio>
L_tmpnam
Minimum length for temporary file name
This macro constant expands to an integral expression corresponding to the size needed for an array of char elements to hold the longest file name string possibly generated by tmpnam.
See also
- FILENAME_MAX
- Maximum length of file names (constant)
- FOPEN_MAX
- Potential limit of simultaneous open streams (constant)
- TMP_MAX
- Number of temporary files (constant)