Iulian Grindeanu authored Sep 22, 2015 and vijaysm committed Aug 31, 2016

Notes:
* All characters passed are terminated with CHAR(0), null in C
* All arrays are allocated in client; for f77, static allocation
IWORK and DWORK() are working arrays
* Queries are returned in these arrays, integer or double
keep a pointer for the free memory (ifree and dfree)