strlong
static const struct strlong wday_tab[] = {
str_wday, wday_tab, sizeof(wday_tab)/sizeof(struct strlong), tm_wdayP );
static const struct strlong mon_tab[] = {
str_mon, mon_tab, sizeof(mon_tab)/sizeof(struct strlong), tm_monP );
strlong_search( char* str, struct strlong* tab, int n, long* lP )