215 UnicodeString::extract(char *dest, int32_t destCapacity,  in extract()  argument
223     if(isBogus() || destCapacity<0 || (destCapacity>0 && dest==0)) {  in extract()
230         return u_terminateChars(dest, destCapacity, 0, &errorCode);  in extract()
247     int32_t len=doExtract(0, length(), dest, destCapacity, cnv, errorCode);  in extract()
259                          char *dest, int32_t destCapacity,  in doExtract()  argument
264         if(destCapacity!=0) {  in doExtract()
274     if(destCapacity==0) {  in doExtract()
276     } else if(destCapacity==-1) {  in doExtract()
280         destCapacity=0x7fffffff;  in doExtract()
282         destLimit=dest+destCapacity;  in doExtract()
302     return u_terminateChars(originalDest, destCapacity, length, &errorCode);  in doExtract()