\r
@param EnvVarName The name of the environment variable in question\r
@param BufferSize UINTN size of Buffer\r
@param Buffer Pointer to value to set variable to\r
\r
\r
@param EnvVarName The name of the environment variable in question\r
@param BufferSize UINTN size of Buffer\r
@param Buffer Pointer to value to set variable to\r
\r