Function append_slash

sys/share/pcsys.c:131–144

* Add a backslash to any name not ending in /, \ or : There must * be room for the \ */

 * be room for the \
 */
void
append_slash(char *name)
{
    char *ptr;

    if (!*name)
        return;
    ptr = name + (strlen(name) - 1);
    if (*ptr != '\\' && *ptr != '/' && *ptr != ':') {
        *++ptr = '\\';
        *++ptr = '\0';
    }
    return;
}

void
getreturn(const char *str)