Guardian Procedure Calls Reference Manual

Example
#include <cextdecs (DST_GETINFO_)>
short error;
long long keyGMT;
zsys_ddl_dst_entry_def dstentry;
dstentry.z_version = ZSYS_VAL_DST_VERSION_SEP1997;
error = DST_GETINFO_ (keyGMT, (short*)&dstentry);
328 Guardian Procedure Calls (D-E)