content

NSString *tempDirectoryTemplate =
    [NSTemporaryDirectory() stringByAppendingPathComponent:@"myapptempdirectory.XXXXXX"];
const char *tempDirectoryTemplateCString =
    [tempDirectoryTemplate fileSystemRepresentation];
char *tempDirectoryNameCString =
    (char *)malloc(strlen(tempDirectoryTemplateCString) + 1);
strcpy(tempDirectoryNameCString, tempDirectoryTemplateCString);
 
char *result = mkdtemp(tempDirectoryNameCString);
if (!result)
{
    // handle directory creation failure
}
 
NSString *tempDirectoryPath =
    [[NSFileManager defaultManager]
        stringWithFileSystemRepresentation:tempDirectoryNameCString
        length:strlen(result)];
free(tempDirectoryNameCString);