C snprintf specify user home directory
问题 I use snprintf to write formatted data to disk, but I have one problem, how do I save it to the user's home directory? snprintf(filename, sizeof(filename), "%s_%s.sho", client, id); 回答1: On Linux and POSIX systems the home directory is often from the HOME environment variable. So you might code snprintf(filename, sizeof(filename), "%s/%s_%s.sho", getenv("HOME"), client, id); Pedantically the getenv(3) could fail (or be wrong). But that rarely happens. See environ(7). (You might check, and or