RexxQuerySubcom - Parameters

EnvName (PSZ) - input

Address of an ASCIIZ subcommand handler name.
ModuleName (PSZ) - input
Address of an ASCIIZ dynamic link library name. ModuleName restricts the query to a subcommand handler within the ModuleName dynamic link library. When ModuleName is NULL, RexxQuerySubcom searches the RexxRegisterSubcomExe subcommand handler list for a handler within the current process. If RexxQuerySubcom does not find a RexxRegisterSubcomExe handler, it searches the RexxRegisterSubcomDll subcommand handler list.
Flag (PUSHORT) - output
Subcommand handler registration flag. Flag is the EnvName subcommand handler registration status. When RexxQuerySubcom returns RXSUBCOM_OK, the EnvName subcommand handler is currently registered. When RexxQuerySubcom returns RXSUBCOM_NOTREG, the EnvName subcommand handler is not registered.
UserWord (PUCHAR) - output
Address of an 8-byte area to receive the user information saved with RexxRegisterSubcomExe or RexxRegisterSubcomDll. UserWord can be NULL if the saved user information is not required.

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