| Standards / Extensions | C or C++ | Dependencies |
|---|---|---|
| z/OS® UNIX | both | OS/390 V2R10 |
#define _OPEN_SYS_EXT 1
#include <sys/ps.h>
int __get_cpuid(char *buff);Retrieves the current CPU ID in the form of a string containing the readable part of the serial number concatenated with the model number. The variable buff is a character string of 11 bytes in length. It is a work area to build the unique cpuid.
Always returns the serial and model number.