Reference Guide

ZCOM C I/F Library Routines
ZCNTL (3X)
Chapter 4176
EXAMPLE
#include <zcom/zcomsys.h>
#include <zcom/zcomcall.h>
int32 ierr;
zaddr_type zaddr;
uint32 mode;
uint32 rcode;
zmhd_type zmhd;
char ibuf[size]; /* where size is user-determined; must be >= len */
int32 len;
int32 waitstat;
if (ierr = zcntl (&zaddr, mode, rcode, &zmhd, ibuf, len, &waitstat)) {
/* error return code */
}
else {
/* good return code */
}
/* For request ZCOM_MRQCODE_TERM for i960 card (e.g. Z7300A) */
ztrq2_type ztrq2;
char spec_cfg[6];
ztrq2.tmreqt = 0x80;
/* ... setup other ztrq2 fields and spec_cfg[], max 6 bytes */
memcpy(ibuf, &ztrq2, sizeof(ztrq2));
memcpy(ibuf + sizeof(ztrq2), spec_cfg, 6);
rcode = ZCOM_MRQCODE_TERM;
len = sizeof(ztrq2) + 6;
if (ierr = zcntl (&zaddr, mode, rcode, &zmhd, ibuf, len, &waitstat)) {
/* error return code */
}
else {
/* good return code */
}
FILES
/opt/acc/include/zcom/zcomsys.h ZCOM system general include file,
containing data types, data
structures, constants, error codes,
masks, etc. Note that this must be the
first include file before any other
ZCOM include files.