User Tools

Site Tools


Programming Reference/Librarys

Question & Answer

Q&A is closed


Table of Contents


    char *tmpnam(char *str);

Assigns to s (if s non-null) and returns unique name for a temporary file. Unique name is returned for each of the first TMP_MAX invocations.

C Sourcecode Example

 * tmpnam example code
#include <stdio.h> /* including standard library */
//#include <windows.h> /* uncomment this for Windows */
int main ( void ) 
FILE *tmpstream;
char *tmpfile;
tmpfile = tmpnam(NULL);
tmpstream= fopen(tmpfile, "w");
if ( tmpstream == NULL) {
  perror("Error opening tmp stream");
fputs("Test for tmpnam", tmpstream);
rename(tmpfile, "test.txt");
return 0;

content of test.txt after executing ./tmpnam

Test for tmpnam



on the occasion of the current invasion of Russia in Ukraine

Russian Stop this War
c/stdio.h/tmpnam.txt · Last modified: 2024/02/16 01:05 (external edit)

Impressum Datenschutz