6.1.2450
WORD
 
CORE
 
( char "<chars>ccc<char>" -- c-addr )

Skip leading delimiters. Parse characters ccc delimited by char. An ambiguous condition exists if the length of the parsed string is greater than the implementation-defined length of a counted string.

c-addr is the address of a transient region containing the parsed word as a counted string. If the parse area was empty or contained no characters other than the delimiter, the resulting string has a zero length. A program may replace characters within the string.

Rationale:
Typical use: char WORD ccc<char>
Testing:
: GS3 WORD COUNT SWAP C@ ;
T{ BL GS3 HELLO -> 5 CHAR H }T
T{ CHAR " GS3 GOODBYE" -> 7 CHAR G }T
T{ BL GS3 
   DROP -> 0 }T
\ Blank lines return zero-length strings