Undocumented functions of NTDLL

2OOO, 3 December

NTSYSAPI 
NTSTATUS
NTAPI


RtlExpandEnvironmentStrings_U(



  IN PVOID                Environment OPTIONAL,
  IN PUNICODE_STRING      SourceString,
  OUT PUNICODE_STRING     DestinationString,
  OUT PULONG              DestinationBufferLength OPTIONAL );

Environment

Pointer to environment block.

SourceString

Pointer to UNICODE_STRING structure with text. If text contains any environment variable name separated with '%' character, variable name is replaced by value of this variable.

DestinationString

Result of above operation. At input only MaximumLength of UNICODE_STRING structure must be valid.

DestinationBufferLength

If you don't know, how long should be result buffer, use value at DestinationBufferLength pointer.

Documented by:

Tomasz Nowak

Reactos

Library: ntdll.lib

RtlQueryEnvironmentVariable_U

RtlSetEnvironmentVariable