gtpc2m4d | C/C++ Language Support User's Guide |
This function restores the current program status word (PSW) protection key to its normal value (protect key of working storage).
Format
#include <tpfapi.h> void keyrc(void);
Normal Return
Void.
Error Return
Not applicable.
Programming Considerations
Examples
This example restores the storage protection key after a call to the cinfc function in which the CINFC_WRITE option was specified.
#include <tpfapi.h> . . . char *field_ptr; . . /* can only read protected storage */ . field_ptr = cinfc(CINFC_WRITE, CINFC_CMMINC); . . /* can read and write protected storage */ . keyrc(); . . /* can only read protected storage */ .
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