SYSENV_VARIABLE_INFO structure (ntddsysenv.h)

Stores the information about a system environment variable using SysEnv device. This structure is used in the IOCTL_SYSENV_QUERY_VARIABLE_INFO request.

Syntax

typedef struct _SYSENV_VARIABLE_INFO {
  ULONGLONG MaximumVariableStorageSize;
  ULONGLONG RemainingVariableStorageSize;
  ULONGLONG MaximumVariableSize;
} SYSENV_VARIABLE_INFO, *PSYSENV_VARIABLE_INFO;

Members

MaximumVariableStorageSize

The size of the variable.

RemainingVariableStorageSize

The remaining size of the variable.

MaximumVariableSize

The maximum size of the variable.

Requirements

Requirement	Value
Header	ntddsysenv.h

See also

IOCTL_SYSENV_QUERY_VARIABLE_INFO