INT 21 - DOS 1+ - PARSE FILENAME INTO FCBsee File Control Block AH = 29h AL = parsing options (see #01380) DS:SI -> filename string (both '*' and '?' wildcards OK) ES:DI -> buffer for unopened FCBsee File Control Block Return: AL = result code 00h successful parse, no wildcards encountered 01h successful parse, wildcards present FFh failed (invalid drive specifier) DS:SI -> first unparsed character ES:DI buffer filled with unopened FCBsee File Control Block (see #01345) Notes: asterisks in the name are expanded to question marks in the FCBsee File Control Block all processing stops when a filename terminator is encountered cannot be used with filespecs which include a path (DOS 2+) Novell NetWare monitors the result code since an 'invalid drive' may signal an attempt to reconnect a network drive; if there are no connections to the specified drive, NetWare attempts to build a connection and map the drive to the SYS:LOGIN directory SeeAlso: AH=0Fh,AH=16h,AH=26h Bitfields for parsing options: Bit(s) Description (Table 01380) 0 skip leading separators 1 use existing drive number in FCBsee File Control Block if no drive is specified, instead of setting field to zero 2 use existing filename in FCBsee File Control Block if no base name is specified, instead of filling field with blanks 3 use existing extension in FCBsee File Control Block if no extension is specified, instead of filling field with blanks 4-7 reserved (0)