/* * (c) copyright 1987 by the Vrije Universiteit, Amsterdam, The Netherlands. * See the copyright notice in the ACK home directory, in the file "Copyright". */ #ifndef NORCSID #define RCS_GROWS "$Id$" #endif /* struct used to identify and do bookkeeping for growing strings */ typedef struct { char *gr_string ; /* Points to start of string */ unsigned gr_size ; /* Current string size */ unsigned gr_max ; /* Maximum string size */ } growstring ; #define GR_MORE 50 /* Steps to grow */ #define gr_start(id) (id).gr_string /* The start of the string */ /* Routines used */ extern int gr_throw() ; /* To free the core */ extern int gr_add() ; /* To add one character */ extern int gr_cat() ; /* concatenate the contents and the string */ extern int gr_init() ; /* Initialize the bookkeeping */ extern char *gr_final() ; /* Transform to a stable storage string */