F_SUN
fmt = F_SUN; // was raw ...
} else if (ofmt == F_SUN) {
} else if (ofmt == F_SUN) {
fmt = (israw ? F_RAW : F_SUN);
ifmt = F_SUN;
format_type ofmt = F_SUN; // output format type
format_type ifmt = F_SUN; // expected input format type
format_type fmt = F_SUN; // actual input format type
format = F_SUN;
format = F_SUN;