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Diffstat (limited to 'gnu/usr.bin/awk/awk.h')
| -rw-r--r-- | gnu/usr.bin/awk/awk.h | 790 |
1 files changed, 0 insertions, 790 deletions
diff --git a/gnu/usr.bin/awk/awk.h b/gnu/usr.bin/awk/awk.h deleted file mode 100644 index 453a724..0000000 --- a/gnu/usr.bin/awk/awk.h +++ /dev/null @@ -1,790 +0,0 @@ -/* - * awk.h -- Definitions for gawk. - */ - -/* - * Copyright (C) 1986, 1988, 1989, 1991, 1992, 1993 the Free Software Foundation, Inc. - * - * This file is part of GAWK, the GNU implementation of the - * AWK Progamming Language. - * - * GAWK is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * GAWK is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with GAWK; see the file COPYING. If not, write to - * the Free Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. - */ - -/* ------------------------------ Includes ------------------------------ */ -#include "config.h" - -#include <stdio.h> -#ifndef LIMITS_H_MISSING -#include <limits.h> -#endif -#include <ctype.h> -#include <setjmp.h> -#include <varargs.h> -#include <time.h> -#include <errno.h> -#if !defined(errno) && !defined(MSDOS) && !defined(OS2) -extern int errno; -#endif -#ifdef __GNU_LIBRARY__ -#ifndef linux -#include <signum.h> -#endif -#endif - -/* ----------------- System dependencies (with more includes) -----------*/ - -#if defined(__FreeBSD__) -# include <floatingpoint.h> -#endif - -#if !defined(VMS) || (!defined(VAXC) && !defined(__DECC)) -#include <sys/types.h> -#include <sys/stat.h> -#else /* VMS w/ VAXC or DECC */ -#include <types.h> -#include <stat.h> -#include <file.h> /* avoid <fcntl.h> in io.c */ -#endif - -#include <signal.h> - -#ifdef __STDC__ -#define P(s) s -#define MALLOC_ARG_T size_t -#else -#define P(s) () -#define MALLOC_ARG_T unsigned -#define volatile -#define const -#endif - -#ifndef SIGTYPE -#define SIGTYPE void -#endif - -#ifdef SIZE_T_MISSING -typedef unsigned int size_t; -#endif - -#ifndef SZTC -#define SZTC -#define INTC -#endif - -#ifdef STDC_HEADERS -#include <stdlib.h> -#include <string.h> -#ifdef NeXT -#include <libc.h> -#undef atof -#else -#if defined(atarist) || defined(VMS) -#include <unixlib.h> -#else /* atarist || VMS */ -#if !defined(MSDOS) && !defined(_MSC_VER) -#include <unistd.h> -#endif /* MSDOS */ -#endif /* atarist || VMS */ -#endif /* Next */ -#else /* STDC_HEADERS */ -#include "protos.h" -#endif /* STDC_HEADERS */ - -#if defined(ultrix) && !defined(Ultrix41) -extern char * getenv P((char *name)); -extern double atof P((char *s)); -#endif - -#ifndef __GNUC__ -#ifdef sparc -/* nasty nasty SunOS-ism */ -#include <alloca.h> -#ifdef lint -extern char *alloca(); -#endif -#else /* not sparc */ -#if !defined(alloca) && !defined(ALLOCA_PROTO) -#if defined(_MSC_VER) -#include <malloc.h> -#else -extern char *alloca(); -#endif /* _MSC_VER */ -#endif -#endif /* sparc */ -#endif /* __GNUC__ */ - -#ifdef HAVE_UNDERSCORE_SETJMP -/* nasty nasty berkelixm */ -#define setjmp _setjmp -#define longjmp _longjmp -#endif - -/* - * if you don't have vprintf, try this and cross your fingers. - */ -#if defined(VPRINTF_MISSING) -#define vfprintf(fp,fmt,arg) _doprnt((fmt), (arg), (fp)) -#endif - -#ifdef VMS -/* some macros to redirect to code in vms/vms_misc.c */ -#define exit vms_exit -#define open vms_open -#define strerror vms_strerror -#define strdup vms_strdup -extern void exit P((int)); -extern int open P((const char *,int,...)); -extern char *strerror P((int)); -extern char *strdup P((const char *str)); -extern int vms_devopen P((const char *,int)); -# ifndef NO_TTY_FWRITE -#define fwrite tty_fwrite -#define fclose tty_fclose -extern size_t fwrite P((const void *,size_t,size_t,FILE *)); -extern int fclose P((FILE *)); -# endif -extern FILE *popen P((const char *,const char *)); -extern int pclose P((FILE *)); -extern void vms_arg_fixup P((int *,char ***)); -/* some things not in STDC_HEADERS */ -extern size_t gnu_strftime P((char *,size_t,const char *,const struct tm *)); -extern int unlink P((const char *)); -extern int getopt P((int,char **,char *)); -extern int isatty P((int)); -#ifndef fileno -extern int fileno P((FILE *)); -#endif -extern int close(), dup(), dup2(), fstat(), read(), stat(); -extern int getpgrp P((void)); -#endif /*VMS*/ - -#define GNU_REGEX -#ifdef GNU_REGEX -#include "gnuregex.h" -#include "dfa.h" -typedef struct Regexp { - struct re_pattern_buffer pat; - struct re_registers regs; - struct dfa dfareg; - int dfa; -} Regexp; -#define RESTART(rp,s) (rp)->regs.start[0] -#define REEND(rp,s) (rp)->regs.end[0] -#else /* GNU_REGEX */ -#endif /* GNU_REGEX */ - -#ifdef atarist -#define read _text_read /* we do not want all these CR's to mess our input */ -extern int _text_read (int, char *, int); -#ifndef __MINT__ -#undef NGROUPS_MAX -#endif /* __MINT__ */ -#endif - -#ifndef DEFPATH -#define DEFPATH ".:/usr/local/lib/awk:/usr/lib/awk" -#endif - -#ifndef ENVSEP -#define ENVSEP ':' -#endif - -extern double double_to_int P((double d)); - -/* ------------------ Constants, Structures, Typedefs ------------------ */ -#define AWKNUM double - -typedef enum { - /* illegal entry == 0 */ - Node_illegal, - - /* binary operators lnode and rnode are the expressions to work on */ - Node_times, - Node_quotient, - Node_mod, - Node_plus, - Node_minus, - Node_cond_pair, /* conditional pair (see Node_line_range) */ - Node_subscript, - Node_concat, - Node_exp, - - /* unary operators subnode is the expression to work on */ -/*10*/ Node_preincrement, - Node_predecrement, - Node_postincrement, - Node_postdecrement, - Node_unary_minus, - Node_field_spec, - - /* assignments lnode is the var to assign to, rnode is the exp */ - Node_assign, - Node_assign_times, - Node_assign_quotient, - Node_assign_mod, -/*20*/ Node_assign_plus, - Node_assign_minus, - Node_assign_exp, - - /* boolean binaries lnode and rnode are expressions */ - Node_and, - Node_or, - - /* binary relationals compares lnode and rnode */ - Node_equal, - Node_notequal, - Node_less, - Node_greater, - Node_leq, -/*30*/ Node_geq, - Node_match, - Node_nomatch, - - /* unary relationals works on subnode */ - Node_not, - - /* program structures */ - Node_rule_list, /* lnode is a rule, rnode is rest of list */ - Node_rule_node, /* lnode is pattern, rnode is statement */ - Node_statement_list, /* lnode is statement, rnode is more list */ - Node_if_branches, /* lnode is to run on true, rnode on false */ - Node_expression_list, /* lnode is an exp, rnode is more list */ - Node_param_list, /* lnode is a variable, rnode is more list */ - - /* keywords */ -/*40*/ Node_K_if, /* lnode is conditonal, rnode is if_branches */ - Node_K_while, /* lnode is condtional, rnode is stuff to run */ - Node_K_for, /* lnode is for_struct, rnode is stuff to run */ - Node_K_arrayfor, /* lnode is for_struct, rnode is stuff to run */ - Node_K_break, /* no subs */ - Node_K_continue, /* no stuff */ - Node_K_print, /* lnode is exp_list, rnode is redirect */ - Node_K_printf, /* lnode is exp_list, rnode is redirect */ - Node_K_next, /* no subs */ - Node_K_exit, /* subnode is return value, or NULL */ -/*50*/ Node_K_do, /* lnode is conditional, rnode stuff to run */ - Node_K_return, - Node_K_delete, - Node_K_getline, - Node_K_function, /* lnode is statement list, rnode is params */ - - /* I/O redirection for print statements */ - Node_redirect_output, /* subnode is where to redirect */ - Node_redirect_append, /* subnode is where to redirect */ - Node_redirect_pipe, /* subnode is where to redirect */ - Node_redirect_pipein, /* subnode is where to redirect */ - Node_redirect_input, /* subnode is where to redirect */ - - /* Variables */ -/*60*/ Node_var, /* rnode is value, lnode is array stuff */ - Node_var_array, /* array is ptr to elements, asize num of - * eles */ - Node_val, /* node is a value - type in flags */ - - /* Builtins subnode is explist to work on, proc is func to call */ - Node_builtin, - - /* - * pattern: conditional ',' conditional ; lnode of Node_line_range - * is the two conditionals (Node_cond_pair), other word (rnode place) - * is a flag indicating whether or not this range has been entered. - */ - Node_line_range, - - /* - * boolean test of membership in array lnode is string-valued - * expression rnode is array name - */ - Node_in_array, - - Node_func, /* lnode is param. list, rnode is body */ - Node_func_call, /* lnode is name, rnode is argument list */ - - Node_cond_exp, /* lnode is conditonal, rnode is if_branches */ - Node_regex, -/*70*/ Node_hashnode, - Node_ahash, - Node_NF, - Node_NR, - Node_FNR, - Node_FS, - Node_RS, - Node_FIELDWIDTHS, - Node_IGNORECASE, - Node_OFS, - Node_ORS, - Node_OFMT, - Node_CONVFMT, - Node_K_nextfile -} NODETYPE; - -/* - * NOTE - this struct is a rather kludgey -- it is packed to minimize - * space usage, at the expense of cleanliness. Alter at own risk. - */ -typedef struct exp_node { - union { - struct { - union { - struct exp_node *lptr; - char *param_name; - long ll; - } l; - union { - struct exp_node *rptr; - struct exp_node *(*pptr) (); - Regexp *preg; - struct for_loop_header *hd; - struct exp_node **av; - int r_ent; /* range entered */ - } r; - union { - char *name; - struct exp_node *extra; - long xl; - } x; - short number; - unsigned char reflags; -# define CASE 1 -# define CONST 2 -# define FS_DFLT 4 - } nodep; - struct { - AWKNUM fltnum; /* this is here for optimal packing of - * the structure on many machines - */ - char *sp; - size_t slen; - unsigned char sref; - char idx; - } val; - struct { - struct exp_node *next; - char *name; - size_t length; - struct exp_node *value; - } hash; -#define hnext sub.hash.next -#define hname sub.hash.name -#define hlength sub.hash.length -#define hvalue sub.hash.value - struct { - struct exp_node *next; - struct exp_node *name; - struct exp_node *value; - } ahash; -#define ahnext sub.ahash.next -#define ahname sub.ahash.name -#define ahvalue sub.ahash.value - } sub; - NODETYPE type; - unsigned short flags; -# define MALLOC 1 /* can be free'd */ -# define TEMP 2 /* should be free'd */ -# define PERM 4 /* can't be free'd */ -# define STRING 8 /* assigned as string */ -# define STR 16 /* string value is current */ -# define NUM 32 /* numeric value is current */ -# define NUMBER 64 /* assigned as number */ -# define MAYBE_NUM 128 /* user input: if NUMERIC then - * a NUMBER */ -# define ARRAYMAXED 256 /* array is at max size */ - char *vname; /* variable's name */ -} NODE; - -#define lnode sub.nodep.l.lptr -#define nextp sub.nodep.l.lptr -#define rnode sub.nodep.r.rptr -#define source_file sub.nodep.x.name -#define source_line sub.nodep.number -#define param_cnt sub.nodep.number -#define param sub.nodep.l.param_name - -#define subnode lnode -#define proc sub.nodep.r.pptr - -#define re_reg sub.nodep.r.preg -#define re_flags sub.nodep.reflags -#define re_text lnode -#define re_exp sub.nodep.x.extra -#define re_cnt sub.nodep.number - -#define forsub lnode -#define forloop rnode->sub.nodep.r.hd - -#define stptr sub.val.sp -#define stlen sub.val.slen -#define stref sub.val.sref -#define stfmt sub.val.idx - -#define numbr sub.val.fltnum - -#define var_value lnode -#define var_array sub.nodep.r.av -#define array_size sub.nodep.l.ll -#define table_size sub.nodep.x.xl - -#define condpair lnode -#define triggered sub.nodep.r.r_ent - -#ifdef DONTDEF -int primes[] = {31, 61, 127, 257, 509, 1021, 2053, 4099, 8191, 16381}; -#endif - -typedef struct for_loop_header { - NODE *init; - NODE *cond; - NODE *incr; -} FOR_LOOP_HEADER; - -/* for "for(iggy in foo) {" */ -struct search { - NODE *sym; - size_t idx; - NODE *bucket; - NODE *retval; -}; - -/* for faster input, bypass stdio */ -typedef struct iobuf { - int fd; - char *buf; - char *off; - char *end; - size_t size; /* this will be determined by an fstat() call */ - int cnt; - long secsiz; - int flag; -# define IOP_IS_TTY 1 -# define IOP_IS_INTERNAL 2 -# define IOP_NO_FREE 4 -} IOBUF; - -typedef void (*Func_ptr)(); - -/* - * structure used to dynamically maintain a linked-list of open files/pipes - */ -struct redirect { - unsigned int flag; -# define RED_FILE 1 -# define RED_PIPE 2 -# define RED_READ 4 -# define RED_WRITE 8 -# define RED_APPEND 16 -# define RED_NOBUF 32 -# define RED_USED 64 -# define RED_EOF 128 - char *value; - FILE *fp; - IOBUF *iop; - int pid; - int status; - struct redirect *prev; - struct redirect *next; -}; - -/* structure for our source, either a command line string or a source file */ -struct src { - enum srctype { CMDLINE = 1, SOURCEFILE } stype; - char *val; -}; - -/* longjmp return codes, must be nonzero */ -/* Continue means either for loop/while continue, or next input record */ -#define TAG_CONTINUE 1 -/* Break means either for/while break, or stop reading input */ -#define TAG_BREAK 2 -/* Return means return from a function call; leave value in ret_node */ -#define TAG_RETURN 3 - -#ifndef INT_MAX -#define INT_MAX (~(1 << (sizeof (int) * 8 - 1))) -#endif -#ifndef LONG_MAX -#define LONG_MAX (~(1 << (sizeof (long) * 8 - 1))) -#endif -#ifndef ULONG_MAX -#define ULONG_MAX (~(unsigned long)0) -#endif -#ifndef LONG_MIN -#define LONG_MIN (-LONG_MAX - 1) -#endif -#define HUGE INT_MAX - -/* -------------------------- External variables -------------------------- */ -/* gawk builtin variables */ -extern long NF; -extern long NR; -extern long FNR; -extern int IGNORECASE; -extern char *RS; -extern char *OFS; -extern int OFSlen; -extern char *ORS; -extern int ORSlen; -extern char *OFMT; -extern char *CONVFMT; -extern int CONVFMTidx; -extern int OFMTidx; -extern NODE *FS_node, *NF_node, *RS_node, *NR_node; -extern NODE *FILENAME_node, *OFS_node, *ORS_node, *OFMT_node; -extern NODE *CONVFMT_node; -extern NODE *FNR_node, *RLENGTH_node, *RSTART_node, *SUBSEP_node; -extern NODE *IGNORECASE_node; -extern NODE *FIELDWIDTHS_node; - -extern NODE **stack_ptr; -extern NODE *Nnull_string; -extern NODE **fields_arr; -extern int sourceline; -extern char *source; -extern NODE *expression_value; - -extern NODE *_t; /* used as temporary in tree_eval */ - -extern const char *myname; - -extern NODE *nextfree; -extern int field0_valid; -extern int do_unix; -extern int do_posix; -extern int do_lint; -extern int in_begin_rule; -extern int in_end_rule; - -/* ------------------------- Pseudo-functions ------------------------- */ - -#define is_identchar(c) (isalnum(c) || (c) == '_') - - -#ifndef MPROF -#define getnode(n) if (nextfree) n = nextfree, nextfree = nextfree->nextp;\ - else n = more_nodes() -#define freenode(n) ((n)->nextp = nextfree, nextfree = (n)) -#else -#define getnode(n) emalloc(n, NODE *, sizeof(NODE), "getnode") -#define freenode(n) free(n) -#endif - -#ifdef DEBUG -#define tree_eval(t) r_tree_eval(t) -#define get_lhs(p, a) r_get_lhs((p), (a)) -#undef freenode -#else -#define get_lhs(p, a) ((p)->type == Node_var ? (&(p)->var_value) : \ - r_get_lhs((p), (a))) -#define tree_eval(t) (_t = (t),_t == NULL ? Nnull_string : \ - (_t->type == Node_param_list ? r_tree_eval(_t) : \ - (_t->type == Node_val ? _t : \ - (_t->type == Node_var ? _t->var_value : \ - r_tree_eval(_t))))) -#endif - -#define make_number(x) mk_number((x), (unsigned int)(MALLOC|NUM|NUMBER)) -#define tmp_number(x) mk_number((x), (unsigned int)(MALLOC|TEMP|NUM|NUMBER)) - -#define free_temp(n) do {if ((n)->flags&TEMP) { unref(n); }} while (0) -#define make_string(s,l) make_str_node((s), SZTC (l),0) -#define SCAN 1 -#define ALREADY_MALLOCED 2 - -#define cant_happen() fatal("internal error line %d, file: %s", \ - __LINE__, __FILE__); - -#if defined(__STDC__) && !defined(NO_TOKEN_PASTING) -#define emalloc(var,ty,x,str) (void)((var=(ty)malloc((MALLOC_ARG_T)(x))) ||\ - (fatal("%s: %s: can't allocate memory (%s)",\ - (str), #var, strerror(errno)),0)) -#define erealloc(var,ty,x,str) (void)((var=(ty)realloc((char *)var,\ - (MALLOC_ARG_T)(x))) ||\ - (fatal("%s: %s: can't allocate memory (%s)",\ - (str), #var, strerror(errno)),0)) -#else /* __STDC__ */ -#define emalloc(var,ty,x,str) (void)((var=(ty)malloc((MALLOC_ARG_T)(x))) ||\ - (fatal("%s: %s: can't allocate memory (%s)",\ - (str), "var", strerror(errno)),0)) -#define erealloc(var,ty,x,str) (void)((var=(ty)realloc((char *)var,\ - (MALLOC_ARG_T)(x))) ||\ - (fatal("%s: %s: can't allocate memory (%s)",\ - (str), "var", strerror(errno)),0)) -#endif /* __STDC__ */ - -#ifdef DEBUG -#define force_number r_force_number -#define force_string r_force_string -#else /* not DEBUG */ -#ifdef lint -extern AWKNUM force_number(); -#endif -#ifdef MSDOS -extern double _msc51bug; -#define force_number(n) (_msc51bug=(_t = (n),(_t->flags & NUM) ? _t->numbr : r_force_number(_t))) -#else /* not MSDOS */ -#define force_number(n) (_t = (n),(_t->flags & NUM) ? _t->numbr : r_force_number(_t)) -#endif /* MSDOS */ -#define force_string(s) (_t = (s),(_t->flags & STR) ? _t : r_force_string(_t)) -#endif /* not DEBUG */ - -#define STREQ(a,b) (*(a) == *(b) && strcmp((a), (b)) == 0) -#define STREQN(a,b,n) ((n)&& *(a)== *(b) && strncmp((a), (b), SZTC (n)) == 0) - -/* ------------- Function prototypes or defs (as appropriate) ------------- */ - -/* array.c */ -extern NODE *concat_exp P((NODE *tree)); -extern void assoc_clear P((NODE *symbol)); -extern unsigned int hash P((const char *s, size_t len, unsigned long hsize)); -extern int in_array P((NODE *symbol, NODE *subs)); -extern NODE **assoc_lookup P((NODE *symbol, NODE *subs)); -extern void do_delete P((NODE *symbol, NODE *tree)); -extern void assoc_scan P((NODE *symbol, struct search *lookat)); -extern void assoc_next P((struct search *lookat)); -/* awk.tab.c */ -extern char *tokexpand P((void)); -extern char nextc P((void)); -extern NODE *node P((NODE *left, NODETYPE op, NODE *right)); -extern NODE *install P((char *name, NODE *value)); -extern NODE *lookup P((const char *name)); -extern NODE *variable P((char *name, int can_free)); -extern int yyparse P((void)); -/* builtin.c */ -extern NODE *do_exp P((NODE *tree)); -extern NODE *do_index P((NODE *tree)); -extern NODE *do_int P((NODE *tree)); -extern NODE *do_length P((NODE *tree)); -extern NODE *do_log P((NODE *tree)); -extern NODE *do_sprintf P((NODE *tree)); -extern void do_printf P((NODE *tree)); -extern void print_simple P((NODE *tree, FILE *fp)); -extern NODE *do_sqrt P((NODE *tree)); -extern NODE *do_substr P((NODE *tree)); -extern NODE *do_strftime P((NODE *tree)); -extern NODE *do_systime P((NODE *tree)); -extern NODE *do_system P((NODE *tree)); -extern void do_print P((NODE *tree)); -extern NODE *do_tolower P((NODE *tree)); -extern NODE *do_toupper P((NODE *tree)); -extern NODE *do_atan2 P((NODE *tree)); -extern NODE *do_sin P((NODE *tree)); -extern NODE *do_cos P((NODE *tree)); -extern NODE *do_rand P((NODE *tree)); -extern NODE *do_srand P((NODE *tree)); -extern NODE *do_match P((NODE *tree)); -extern NODE *do_gsub P((NODE *tree)); -extern NODE *do_sub P((NODE *tree)); -/* eval.c */ -extern int interpret P((NODE *volatile tree)); -extern NODE *r_tree_eval P((NODE *tree)); -extern int cmp_nodes P((NODE *t1, NODE *t2)); -extern NODE **r_get_lhs P((NODE *ptr, Func_ptr *assign)); -extern void set_IGNORECASE P((void)); -void set_OFS P((void)); -void set_ORS P((void)); -void set_OFMT P((void)); -void set_CONVFMT P((void)); -/* field.c */ -extern void init_fields P((void)); -extern void set_record P((char *buf, int cnt, int freeold)); -extern void reset_record P((void)); -extern void set_NF P((void)); -extern NODE **get_field P((int num, Func_ptr *assign)); -extern NODE *do_split P((NODE *tree)); -extern void set_FS P((void)); -extern void set_RS P((void)); -extern void set_FIELDWIDTHS P((void)); -/* io.c */ -extern void set_FNR P((void)); -extern void set_NR P((void)); -extern void do_input P((void)); -extern struct redirect *redirect P((NODE *tree, int *errflg)); -extern NODE *do_close P((NODE *tree)); -extern int flush_io P((void)); -extern int close_io P((void)); -extern int devopen P((const char *name, const char *mode)); -extern int pathopen P((const char *file)); -extern NODE *do_getline P((NODE *tree)); -extern void do_nextfile P((void)); -/* iop.c */ -extern int optimal_bufsize P((int fd)); -extern IOBUF *iop_alloc P((int fd)); -extern int get_a_record P((char **out, IOBUF *iop, int rs, int *errcode)); -/* main.c */ -extern int main P((int argc, char **argv)); -extern Regexp *mk_re_parse P((char *s, int ignorecase)); -extern void load_environ P((void)); -extern char *arg_assign P((char *arg)); -extern SIGTYPE catchsig P((int sig, int code)); -/* msg.c */ -extern void err P((const char *s, const char *emsg, va_list argp)); -#if _MSC_VER == 510 -extern void msg P((va_list va_alist, ...)); -extern void warning P((va_list va_alist, ...)); -extern void fatal P((va_list va_alist, ...)); -#else -extern void msg (); -extern void warning (); -extern void fatal (); -#endif -/* node.c */ -extern AWKNUM r_force_number P((NODE *n)); -extern NODE *r_force_string P((NODE *s)); -extern NODE *dupnode P((NODE *n)); -extern NODE *mk_number P((AWKNUM x, unsigned int flags)); -extern NODE *make_str_node P((char *s, size_t len, int scan )); -extern NODE *tmp_string P((char *s, size_t len )); -extern NODE *more_nodes P((void)); -#ifdef DEBUG -extern void freenode P((NODE *it)); -#endif -extern void unref P((NODE *tmp)); -extern int parse_escape P((char **string_ptr)); -/* re.c */ -extern Regexp *make_regexp P((char *s, size_t len, int ignorecase, int dfa)); -extern int research P((Regexp *rp, char *str, int start, - size_t len, int need_start)); -extern void refree P((Regexp *rp)); -extern void reg_error P((const char *s)); -extern Regexp *re_update P((NODE *t)); -extern void resyntax P((int syntax)); -extern void resetup P((void)); - -/* strcase.c */ -extern int strcasecmp P((const char *s1, const char *s2)); -extern int strncasecmp P((const char *s1, const char *s2, register size_t n)); - -#ifdef atarist -/* atari/tmpnam.c */ -extern char *tmpnam P((char *buf)); -extern char *tempnam P((const char *path, const char *base)); -#endif - -/* Figure out what '\a' really is. */ -#ifdef __STDC__ -#define BELL '\a' /* sure makes life easy, don't it? */ -#else -# if 'z' - 'a' == 25 /* ascii */ -# if 'a' != 97 /* machine is dumb enough to use mark parity */ -# define BELL '\207' -# else -# define BELL '\07' -# endif -# else -# define BELL '\057' -# endif -#endif - -extern char casetable[]; /* for case-independent regexp matching */ |
