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arg.c
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/* $Header: arg.c,v 1.0.1.7 88/02/02 11:22:19 root Exp $
*
* $Log: arg.c,v $
* Revision 1.0.1.7 88/02/02 11:22:19 root
* patch13: fixed split(' ') to work right second time. Added CRYPT dependency.
*
* Revision 1.0.1.6 88/02/01 17:32:26 root
* patch12: made split(' ') behave like awk in ignoring leading white space.
*
* Revision 1.0.1.5 88/01/30 08:53:16 root
* patch9: fixed some missing right parens introduced (?) by patch 2
*
* Revision 1.0.1.4 88/01/28 10:22:06 root
* patch8: added eval operator.
*
* Revision 1.0.1.2 88/01/24 03:52:34 root
* patch 2: added STATBLKS dependencies.
*
* Revision 1.0.1.1 88/01/21 21:27:10 root
* Now defines signal return values correctly using VOIDSIG.
*
* Revision 1.0 87/12/18 13:04:33 root
* Initial revision
*
*/
#include <stdlib.h>
#include <signal.h>
#include <string.h>
#include <sys/wait.h>
#include "handy.h"
#include "EXTERN.h"
#include "search.h"
#include "util.h"
#include "perl.h"
ARG *debarg;
bool
do_match(s,arg)
register char *s;
register ARG *arg;
{
register SPAT *spat = arg[2].arg_ptr.arg_spat;
register char *d;
register char *t;
if (!spat || !s)
fatal("panic: do_match\n");
if (spat->spat_flags & SPAT_USED) {
#ifdef DEBUGGING
if (debug & 8)
deb("2.SPAT USED\n");
#endif
return FALSE;
}
if (spat->spat_runtime) {
t = str_get(eval(spat->spat_runtime,Null(STR***)));
#ifdef DEBUGGING
if (debug & 8)
deb("2.SPAT /%s/\n",t);
#endif
if (d = compile(&spat->spat_compex,t,TRUE,FALSE)) {
#ifdef DEBUGGING
deb("/%s/: %s\n", t, d);
#endif
return FALSE;
}
if (spat->spat_compex.complen <= 1 && curspat)
spat = curspat;
if (execute(&spat->spat_compex, s, TRUE, 0)) {
if (spat->spat_compex.numsubs)
curspat = spat;
return TRUE;
}
else
return FALSE;
}
else {
#ifdef DEBUGGING
if (debug & 8) {
char ch;
if (spat->spat_flags & SPAT_USE_ONCE)
ch = '?';
else
ch = '/';
deb("2.SPAT %c%s%c\n",ch,spat->spat_compex.precomp,ch);
}
#endif
if (spat->spat_compex.complen <= 1 && curspat)
spat = curspat;
if (spat->spat_first) {
if (spat->spat_flags & SPAT_SCANFIRST) {
str_free(spat->spat_first);
spat->spat_first = Nullstr; /* disable optimization */
}
else if (*spat->spat_first->str_ptr != *s ||
strnNE(spat->spat_first->str_ptr, s, spat->spat_flen) )
return FALSE;
}
if (execute(&spat->spat_compex, s, TRUE, 0)) {
if (spat->spat_compex.numsubs)
curspat = spat;
if (spat->spat_flags & SPAT_USE_ONCE)
spat->spat_flags |= SPAT_USED;
return TRUE;
}
else
return FALSE;
}
/*NOTREACHED*/
}
int
do_subst(str,arg)
STR *str;
register ARG *arg;
{
register SPAT *spat;
register STR *dstr;
register char *s;
register char *m;
spat = arg[2].arg_ptr.arg_spat;
s = str_get(str);
if (!spat || !s)
fatal("panic: do_subst\n");
else if (spat->spat_runtime) {
char *d;
m = str_get(eval(spat->spat_runtime,Null(STR***)));
if (d = compile(&spat->spat_compex,m,TRUE,FALSE)) {
#ifdef DEBUGGING
deb("/%s/: %s\n", m, d);
#endif
return 0;
}
}
#ifdef DEBUGGING
if (debug & 8) {
deb("2.SPAT /%s/\n",spat->spat_compex.precomp);
}
#endif
if (spat->spat_compex.complen <= 1 && curspat)
spat = curspat;
if (spat->spat_first) {
if (spat->spat_flags & SPAT_SCANFIRST) {
str_free(spat->spat_first);
spat->spat_first = Nullstr; /* disable optimization */
}
else if (*spat->spat_first->str_ptr != *s ||
strnNE(spat->spat_first->str_ptr, s, spat->spat_flen) )
return 0;
}
if (m = execute(&spat->spat_compex, s, TRUE, 1)) {
int iters = 0;
dstr = str_new(str_len(str));
if (spat->spat_compex.numsubs)
curspat = spat;
do {
if (iters++ > 10000)
fatal("Substitution loop?\n");
if (spat->spat_compex.numsubs)
s = spat->spat_compex.subbase;
str_ncat(dstr,s,m-s);
s = spat->spat_compex.subend[0];
str_scat(dstr,eval(spat->spat_repl,Null(STR***)));
if (spat->spat_flags & SPAT_USE_ONCE)
break;
} while (m = execute(&spat->spat_compex, s, FALSE, 1));
str_cat(dstr,s);
str_replace(str,dstr);
STABSET(str);
return iters;
}
return 0;
}
int
do_trans(str,arg)
STR *str;
register ARG *arg;
{
register char *tbl;
register char *s;
register int matches = 0;
register int ch;
tbl = arg[2].arg_ptr.arg_cval;
s = str_get(str);
if (!tbl || !s)
fatal("panic: do_trans\n");
#ifdef DEBUGGING
if (debug & 8) {
deb("2.TBL\n");
}
#endif
while (*s) {
if (ch = tbl[*s & 0377]) {
matches++;
*s = ch;
}
s++;
}
STABSET(str);
return matches;
}
int
do_split(s,spat,retary)
register char *s;
register SPAT *spat;
STR ***retary;
{
register STR *dstr;
register char *m;
register ARRAY *ary;
static ARRAY *myarray = Null(ARRAY*);
int iters = 0;
STR **sarg;
register char *e;
int i;
if (!spat || !s)
fatal("panic: do_split\n");
else if (spat->spat_runtime) {
char *d;
m = str_get(eval(spat->spat_runtime,Null(STR***)));
if (!*m || (*m == ' ' && !m[1])) {
m = "[ \\t\\n]+";
spat->spat_flags |= SPAT_SKIPWHITE;
}
if (spat->spat_runtime->arg_type == O_ITEM &&
spat->spat_runtime[1].arg_type == A_SINGLE) {
arg_free(spat->spat_runtime); /* it won't change, so */
spat->spat_runtime = Nullarg; /* no point compiling again */
}
if (d = compile(&spat->spat_compex,m,TRUE,FALSE)) {
#ifdef DEBUGGING
deb("/%s/: %s\n", m, d);
#endif
return FALSE;
}
}
#ifdef DEBUGGING
if (debug & 8) {
deb("2.SPAT /%s/\n",spat->spat_compex.precomp);
}
#endif
if (retary)
ary = myarray;
else
ary = spat->spat_repl[1].arg_ptr.arg_stab->stab_array;
if (!ary)
myarray = ary = anew();
ary->ary_fill = -1;
if (spat->spat_flags & SPAT_SKIPWHITE) {
while (isspace(*s))
s++;
}
while (*s && (m = execute(&spat->spat_compex, s, (iters == 0), 1))) {
if (spat->spat_compex.numsubs)
s = spat->spat_compex.subbase;
dstr = str_new(m-s);
str_nset(dstr,s,m-s);
astore(ary, iters++, dstr);
if (iters > 10000)
fatal("Substitution loop?\n");
s = spat->spat_compex.subend[0];
}
if (*s) { /* ignore field after final "whitespace" */
dstr = str_new(0); /* if they interpolate, it's null anyway */
str_set(dstr,s);
astore(ary, iters++, dstr);
}
else {
while (iters > 0 && !*str_get(afetch(ary,iters-1)))
iters--;
}
if (retary) {
sarg = (STR**)safemalloc((iters+2)*sizeof(STR*));
sarg[0] = Nullstr;
sarg[iters+1] = Nullstr;
for (i = 1; i <= iters; i++)
sarg[i] = afetch(ary,i-1);
*retary = sarg;
}
return iters;
}
void
do_join(arg,delim,str)
register ARG *arg;
register char *delim;
register STR *str;
{
STR **tmpary; /* must not be register */
register STR **elem;
(void)eval(arg[2].arg_ptr.arg_arg,&tmpary);
elem = tmpary+1;
if (*elem)
str_sset(str,*elem++);
for (; *elem; elem++) {
str_cat(str,delim);
str_scat(str,*elem);
}
STABSET(str);
safefree((char*)tmpary);
}
bool
do_open(stab,name)
STAB *stab;
register char *name;
{
FILE *fp;
int len = strlen(name);
register STIO *stio = stab->stab_io;
while (len && isspace(name[len-1]))
name[--len] = '\0';
if (!stio)
stio = stab->stab_io = stio_new();
if (stio->fp) {
if (stio->type == '|')
pclose(stio->fp);
else if (stio->type != '-')
fclose(stio->fp);
stio->fp = Nullfp;
}
stio->type = *name;
if (*name == '|') {
for (name++; isspace(*name); name++) ;
fp = popen(name,"w");
}
else if (*name == '>' && name[1] == '>') {
for (name += 2; isspace(*name); name++) ;
fp = fopen(name,"a");
}
else if (*name == '>') {
for (name++; isspace(*name); name++) ;
if (strEQ(name,"-")) {
fp = stdout;
stio->type = '-';
}
else
fp = fopen(name,"w");
}
else {
if (*name == '<') {
for (name++; isspace(*name); name++) ;
if (strEQ(name,"-")) {
fp = stdin;
stio->type = '-';
}
else
fp = fopen(name,"r");
}
else if (name[len-1] == '|') {
name[--len] = '\0';
while (len && isspace(name[len-1]))
name[--len] = '\0';
for (; isspace(*name); name++) ;
fp = popen(name,"r");
stio->type = '|';
}
else {
stio->type = '<';
for (; isspace(*name); name++) ;
if (strEQ(name,"-")) {
fp = stdin;
stio->type = '-';
}
else
fp = fopen(name,"r");
}
}
if (!fp)
return FALSE;
if (stio->type != '|' && stio->type != '-') {
if (fstat(fileno(fp),&statbuf) < 0) {
fclose(fp);
return FALSE;
}
if ((statbuf.st_mode & S_IFMT) != S_IFREG &&
(statbuf.st_mode & S_IFMT) != S_IFCHR) {
fclose(fp);
return FALSE;
}
}
stio->fp = fp;
return TRUE;
}
FILE *
nextargv(stab)
register STAB *stab;
{
register STR *str;
char *oldname;
while (alen(stab->stab_array) >= 0L) {
str = ashift(stab->stab_array);
str_sset(stab->stab_val,str);
STABSET(stab->stab_val);
oldname = str_get(stab->stab_val);
if (do_open(stab,oldname)) {
if (inplace) {
if (*inplace) {
str_cat(str,inplace);
#ifdef RENAME
rename(oldname,str->str_ptr);
#else
UNLINK(str->str_ptr);
link(oldname,str->str_ptr);
UNLINK(oldname);
#endif
}
sprintf(tokenbuf,">%s",oldname);
do_open(argvoutstab,tokenbuf);
defoutstab = argvoutstab;
}
str_free(str);
return stab->stab_io->fp;
}
else
fprintf(stderr,"Can't open %s\n",str_get(str));
str_free(str);
}
if (inplace) {
do_close(argvoutstab,FALSE);
defoutstab = stabent("stdout",TRUE);
}
return Nullfp;
}
bool
do_close(stab,explicit)
STAB *stab;
bool explicit;
{
bool retval = FALSE;
register STIO *stio = stab->stab_io;
if (!stio) /* never opened */
return FALSE;
if (stio->fp) {
if (stio->type == '|')
retval = (pclose(stio->fp) >= 0);
else if (stio->type == '-')
retval = TRUE;
else
retval = (fclose(stio->fp) != EOF);
stio->fp = Nullfp;
}
if (explicit)
stio->lines = 0;
stio->type = ' ';
return retval;
}
bool
do_eof(stab)
STAB *stab;
{
register STIO *stio;
int ch;
if (!stab)
return TRUE;
stio = stab->stab_io;
if (!stio)
return TRUE;
while (stio->fp) {
#ifdef STDSTDIO /* (the code works without this) */
if (stio->fp->_cnt) /* cheat a little, since */
return FALSE; /* this is the most usual case */
#endif
ch = getc(stio->fp);
if (ch != EOF) {
ungetc(ch, stio->fp);
return FALSE;
}
if (stio->flags & IOF_ARGV) { /* not necessarily a real EOF yet? */
if (!nextargv(stab)) /* get another fp handy */
return TRUE;
}
else
return TRUE; /* normal fp, definitely end of file */
}
return TRUE;
}
long
do_tell(stab)
STAB *stab;
{
register STIO *stio;
int ch;
if (!stab)
return -1L;
stio = stab->stab_io;
if (!stio || !stio->fp)
return -1L;
return ftell(stio->fp);
}
bool
do_seek(stab, pos, whence)
STAB *stab;
long pos;
int whence;
{
register STIO *stio;
if (!stab)
return FALSE;
stio = stab->stab_io;
if (!stio || !stio->fp)
return FALSE;
return fseek(stio->fp, pos, whence) >= 0;
}
int
do_stat(arg,sarg,retary)
register ARG *arg;
register STR **sarg;
STR ***retary;
{
register ARRAY *ary;
static ARRAY *myarray = Null(ARRAY*);
int max = 13;
register int i;
ary = myarray;
if (!ary)
myarray = ary = anew();
ary->ary_fill = -1;
if (arg[1].arg_type == A_LVAL) {
tmpstab = arg[1].arg_ptr.arg_stab;
if (!tmpstab->stab_io ||
fstat(fileno(tmpstab->stab_io->fp),&statbuf) < 0) {
max = 0;
}
}
else
if (stat(str_get(sarg[1]),&statbuf) < 0)
max = 0;
if (retary) {
if (max) {
apush(ary,str_nmake((double)statbuf.st_dev));
apush(ary,str_nmake((double)statbuf.st_ino));
apush(ary,str_nmake((double)statbuf.st_mode));
apush(ary,str_nmake((double)statbuf.st_nlink));
apush(ary,str_nmake((double)statbuf.st_uid));
apush(ary,str_nmake((double)statbuf.st_gid));
apush(ary,str_nmake((double)statbuf.st_rdev));
apush(ary,str_nmake((double)statbuf.st_size));
apush(ary,str_nmake((double)statbuf.st_atime));
apush(ary,str_nmake((double)statbuf.st_mtime));
apush(ary,str_nmake((double)statbuf.st_ctime));
#ifdef STATBLOCKS
apush(ary,str_nmake((double)statbuf.st_blksize));
apush(ary,str_nmake((double)statbuf.st_blocks));
#else
apush(ary,str_make(""));
apush(ary,str_make(""));
#endif
}
sarg = (STR**)safemalloc((max+2)*sizeof(STR*));
sarg[0] = Nullstr;
sarg[max+1] = Nullstr;
for (i = 1; i <= max; i++)
sarg[i] = afetch(ary,i-1);
*retary = sarg;
}
return max;
}
int
do_tms(retary)
STR ***retary;
{
register ARRAY *ary;
static ARRAY *myarray = Null(ARRAY*);
register STR **sarg;
int max = 4;
register int i;
ary = myarray;
if (!ary)
myarray = ary = anew();
ary->ary_fill = -1;
if (times(×buf) < 0)
max = 0;
if (retary) {
if (max) {
apush(ary,str_nmake(((double)timesbuf.tms_utime)/60.0));
apush(ary,str_nmake(((double)timesbuf.tms_stime)/60.0));
apush(ary,str_nmake(((double)timesbuf.tms_cutime)/60.0));
apush(ary,str_nmake(((double)timesbuf.tms_cstime)/60.0));
}
sarg = (STR**)safemalloc((max+2)*sizeof(STR*));
sarg[0] = Nullstr;
sarg[max+1] = Nullstr;
for (i = 1; i <= max; i++)
sarg[i] = afetch(ary,i-1);
*retary = sarg;
}
return max;
}
int
do_time(tmbuf,retary)
struct tm *tmbuf;
STR ***retary;
{
register ARRAY *ary;
static ARRAY *myarray = Null(ARRAY*);
register STR **sarg;
int max = 9;
register int i;
STR *str;
ary = myarray;
if (!ary)
myarray = ary = anew();
ary->ary_fill = -1;
if (!tmbuf)
max = 0;
if (retary) {
if (max) {
apush(ary,str_nmake((double)tmbuf->tm_sec));
apush(ary,str_nmake((double)tmbuf->tm_min));
apush(ary,str_nmake((double)tmbuf->tm_hour));
apush(ary,str_nmake((double)tmbuf->tm_mday));
apush(ary,str_nmake((double)tmbuf->tm_mon));
apush(ary,str_nmake((double)tmbuf->tm_year));
apush(ary,str_nmake((double)tmbuf->tm_wday));
apush(ary,str_nmake((double)tmbuf->tm_yday));
apush(ary,str_nmake((double)tmbuf->tm_isdst));
}
sarg = (STR**)safemalloc((max+2)*sizeof(STR*));
sarg[0] = Nullstr;
sarg[max+1] = Nullstr;
for (i = 1; i <= max; i++)
sarg[i] = afetch(ary,i-1);
*retary = sarg;
}
return max;
}
void
do_sprintf(str,len,sarg)
register STR *str;
register int len;
register STR **sarg;
{
register char *s;
register char *t;
bool dolong;
char ch;
static STR *sargnull = &str_no;
str_set(str,"");
len--; /* don't count pattern string */
sarg++;
for (s = str_get(*(sarg++)); *s; len--) {
if (len <= 0 || !*sarg) {
sarg = &sargnull;
len = 0;
}
dolong = FALSE;
for (t = s; *t && *t != '%'; t++) ;
if (!*t)
break; /* not enough % patterns, oh well */
for (t++; *sarg && *t && t != s; t++) {
switch (*t) {
case '\0':
break;
case '%':
ch = *(++t);
*t = '\0';
sprintf(buf,s);
s = t;
*(t--) = ch;
break;
case 'l':
dolong = TRUE;
break;
case 'D': case 'X': case 'O':
dolong = TRUE;
/* FALL THROUGH */
case 'd': case 'x': case 'o': case 'c':
ch = *(++t);
*t = '\0';
if (dolong)
sprintf(buf,s,(long)str_gnum(*(sarg++)));
else
sprintf(buf,s,(int)str_gnum(*(sarg++)));
s = t;
*(t--) = ch;
break;
case 'E': case 'e': case 'f': case 'G': case 'g':
ch = *(++t);
*t = '\0';
sprintf(buf,s,str_gnum(*(sarg++)));
s = t;
*(t--) = ch;
break;
case 's':
ch = *(++t);
*t = '\0';
sprintf(buf,s,str_get(*(sarg++)));
s = t;
*(t--) = ch;
break;
}
}
str_cat(str,buf);
}
if (*s)
str_cat(str,s);
STABSET(str);
}
bool
do_print(s,fp)
char *s;
FILE *fp;
{
if (!fp || !s)
return FALSE;
fputs(s,fp);
return TRUE;
}
bool
do_aprint(arg,fp)
register ARG *arg;
register FILE *fp;
{
STR **tmpary; /* must not be register */
register STR **elem;
register bool retval;
double value;
(void)eval(arg[1].arg_ptr.arg_arg,&tmpary);
if (arg->arg_type == O_PRTF) {
do_sprintf(arg->arg_ptr.arg_str,32767,tmpary);
retval = do_print(str_get(arg->arg_ptr.arg_str),fp);
}
else {
retval = FALSE;
for (elem = tmpary+1; *elem; elem++) {
if (retval && ofs)
do_print(ofs, fp);
if (ofmt && fp) {
if ((*elem)->str_nok || str_gnum(*elem) != 0.0)
fprintf(fp, ofmt, str_gnum(*elem));
retval = TRUE;
}
else
retval = do_print(str_get(*elem), fp);
if (!retval)
break;
}
if (ors)
retval = do_print(ors, fp);
}
safefree((char*)tmpary);
return retval;
}
bool
do_aexec(arg)
register ARG *arg;
{
STR **tmpary; /* must not be register */
register STR **elem;
register char **a;
register int i;
char **argv;
(void)eval(arg[1].arg_ptr.arg_arg,&tmpary);
i = 0;
for (elem = tmpary+1; *elem; elem++)
i++;
if (i) {
argv = (char**)safemalloc((i+1)*sizeof(char*));
a = argv;
for (elem = tmpary+1; *elem; elem++) {
*a++ = str_get(*elem);
}
*a = Nullch;
execvp(argv[0],argv);
safefree((char*)argv);
}
safefree((char*)tmpary);
return FALSE;
}
bool
do_exec(cmd)
char *cmd;
{
STR **tmpary; /* must not be register */
register char **a;
register char *s;
char **argv;
/* see if there are shell metacharacters in it */
for (s = cmd; *s; s++) {
if (*s != ' ' && !isalpha(*s) && index("$&*(){}[]'\";\\|?<>~`",*s)) {
execl("/bin/sh","sh","-c",cmd,0);
return FALSE;
}
}
argv = (char**)safemalloc(((s - cmd) / 2 + 2)*sizeof(char*));
a = argv;
for (s = cmd; *s;) {
while (isspace(*s)) s++;
if (*s)
*(a++) = s;
while (*s && !isspace(*s)) s++;
if (*s)
*s++ = '\0';
}
*a = Nullch;
if (argv[0])
execvp(argv[0],argv);
safefree((char*)argv);
return FALSE;
}
STR *
do_push(arg,ary)
register ARG *arg;
register ARRAY *ary;
{
STR **tmpary; /* must not be register */
register STR **elem;
register STR *str = &str_no;
(void)eval(arg[1].arg_ptr.arg_arg,&tmpary);
for (elem = tmpary+1; *elem; elem++) {
str = str_new(0);
str_sset(str,*elem);
apush(ary,str);
}
safefree((char*)tmpary);
return str;
}
void
do_unshift(arg,ary)
register ARG *arg;
register ARRAY *ary;
{
STR **tmpary; /* must not be register */
register STR **elem;
register STR *str = &str_no;
register int i;
(void)eval(arg[1].arg_ptr.arg_arg,&tmpary);
i = 0;
for (elem = tmpary+1; *elem; elem++)
i++;
aunshift(ary,i);
i = 0;
for (elem = tmpary+1; *elem; elem++) {
str = str_new(0);
str_sset(str,*elem);
astore(ary,i++,str);
}
safefree((char*)tmpary);
}
int
apply(type,arg,sarg)
int type;
register ARG *arg;
STR **sarg;
{
STR **tmpary; /* must not be register */
register STR **elem;
register int i;
register int val;
register int val2;
if (sarg)
tmpary = sarg;
else
(void)eval(arg[1].arg_ptr.arg_arg,&tmpary);
i = 0;
for (elem = tmpary+1; *elem; elem++)
i++;
switch (type) {
case O_CHMOD:
if (--i > 0) {
val = (int)str_gnum(tmpary[1]);
for (elem = tmpary+2; *elem; elem++)
if (chmod(str_get(*elem),val))
i--;
}
break;
case O_CHOWN:
if (i > 2) {
i -= 2;
val = (int)str_gnum(tmpary[1]);
val2 = (int)str_gnum(tmpary[2]);
for (elem = tmpary+3; *elem; elem++)
if (chown(str_get(*elem),val,val2))
i--;
}
else
i = 0;
break;
case O_KILL:
if (--i > 0) {
val = (int)str_gnum(tmpary[1]);
if (val < 0)
val = -val;
for (elem = tmpary+2; *elem; elem++)
if (kill(atoi(str_get(*elem)),val))
i--;
}
break;
case O_UNLINK:
for (elem = tmpary+1; *elem; elem++)
if (UNLINK(str_get(*elem)))
i--;
break;
}
if (!sarg)
safefree((char*)tmpary);
return i;
}
STR *
do_subr(arg,sarg)
register ARG *arg;
register STR **sarg;
{
ARRAY *savearray;
STR *str;
savearray = defstab->stab_array;
defstab->stab_array = anew();
if (arg[1].arg_flags & AF_SPECIAL)
(void)do_push(arg,defstab->stab_array);
else if (arg[1].arg_type != A_NULL) {
str = str_new(0);
str_sset(str,sarg[1]);
apush(defstab->stab_array,str);
}
str = cmd_exec(arg[2].arg_ptr.arg_stab->stab_sub);
afree(defstab->stab_array); /* put back old $_[] */
defstab->stab_array = savearray;
return str;
}
void
do_assign(retstr,arg)
STR *retstr;
register ARG *arg;
{
STR **tmpary; /* must not be register */
register ARG *larg = arg[1].arg_ptr.arg_arg;
register STR **elem;
register STR *str;
register ARRAY *ary;
register int i;
register int lasti;
char *s;
(void)eval(arg[2].arg_ptr.arg_arg,&tmpary);
if (arg->arg_flags & AF_COMMON) {
if (*(tmpary+1)) {
for (elem=tmpary+2; *elem; elem++) {