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uemacs/exec.c

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/* exec.c -- implements exec.h */
#include "exec.h"
/* exec.c
*
* This file is for functions dealing with execution of
* commands, command lines, buffers, files and startup files.
*
* written 1986 by Daniel Lawrence
* modified by Petri Kutvonen
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "buffer.h"
#include "bind.h"
#include "display.h"
#include "estruct.h"
#include "eval.h"
#include "file.h"
#include "flook.h"
#include "input.h"
#include "line.h"
#include "random.h"
#include "util.h"
#include "window.h"
static char *execstr = NULL ; /* pointer to string to execute */
boolean clexec = FALSE ; /* command line execution flag */
/* Directive definitions */
#define DIF 0
#define DELSE 1
#define DENDIF 2
#define DGOTO 3
#define DRETURN 4
#define DENDM 5
#define DWHILE 6
#define DENDWHILE 7
#define DBREAK 8
#define DFORCE 9
#define NUMDIRS 10
/* The !WHILE directive in the execution language needs to
* stack references to pending whiles. These are stored linked
* to each currently open procedure via a linked list of
* the following structure.
*/
struct while_block {
struct line *w_begin; /* ptr to !while statement */
struct line *w_end; /* ptr to the !endwhile statement */
int w_type; /* block type */
struct while_block *w_next; /* next while */
};
#define BTWHILE 1
#define BTBREAK 2
/* directive name table:
This holds the names of all the directives.... */
static const char *dname[] = {
"if", "else", "endif",
"goto", "return", "endm",
"while", "endwhile", "break",
"force"
};
static char golabel[ NSTRING] = "" ; /* current line to go to */
static int execlevel = 0 ; /* execution IF level */
static struct buffer *bstore = NULL ; /* buffer to store macro text to */
static int mstore = FALSE ; /* storing text to macro flag */
static int dobuf( struct buffer *bp) ;
static void freewhile( struct while_block *wp) ;
static int macarg( char *tok, int toksz) ;
/*
* Execute a named command even if it is not bound.
*/
int namedcmd(int f, int n)
{
fn_t kfunc; /* ptr to the requexted function to bind to */
/* prompt the user to type a named command */
mlwrite(": ");
/* and now get the function name to execute */
kfunc = getname();
if (kfunc == NULL) {
mlwrite("(No such function)");
return FALSE;
}
/* and then execute the command */
return kfunc(f, n);
}
static int docmd( char *cline) ;
/*
* execcmd:
* Execute a command line command to be typed in
* by the user
*
* int f, n; default Flag and Numeric argument
*/
int execcmd( int f, int n) {
int status ; /* status return */
char *cmdstr ; /* string holding command to execute */
/* get the line wanted */
status = newmlarg( &cmdstr, ": ", 0) ;
if( status != TRUE)
return status ;
execlevel = 0 ;
while( status == TRUE && n-- > 0)
status = docmd( cmdstr) ;
free( cmdstr) ;
return status ;
}
/*
* docmd:
* take a passed string as a command line and translate
* it to be executed as a command. This function will be
* used by execute-command-line and by all source and
* startup files. Lastflag/thisflag is also updated.
*
* format of the command line is:
*
* {# arg} <command-name> {<argument string(s)>}
*
* char *cline; command line to execute
*/
static int docmd( char *cline) {
int f; /* default argument flag */
int n; /* numeric repeat value */
fn_t fnc; /* function to execute */
int status; /* return status of function */
boolean oldcle ; /* old contents of clexec flag */
char *oldestr; /* original exec string */
char tkn[NSTRING]; /* next token off of command line */
/* if we are scanning and not executing..go back here */
if (execlevel)
return TRUE;
oldestr = execstr; /* save last ptr to string to execute */
execstr = cline; /* and set this one as current */
/* first set up the default command values */
f = FALSE;
n = 1;
lastflag = thisflag;
thisflag = 0;
status = macarg( tkn, sizeof tkn) ;
if( status != TRUE) { /* and grab the first token */
execstr = oldestr;
return status;
}
/* process leadin argument */
if( !is_it_cmd( tkn)) {
f = TRUE;
/* macarg already includes a getval, skip for now
mystrscpy( tkn, getval( tkn), sizeof tkn) ;
*/
n = atoi(tkn);
/* and now get the command to execute */
status = macarg( tkn, sizeof tkn) ;
if( status != TRUE) {
execstr = oldestr;
return status;
}
}
/* and match the token to see if it exists */
if ((fnc = fncmatch(tkn)) == NULL) {
mlwrite("(No such Function)");
execstr = oldestr;
return FALSE;
}
/* save the arguments and go execute the command */
oldcle = clexec; /* save old clexec flag */
clexec = TRUE; /* in cline execution */
status = (*fnc) (f, n); /* call the function */
cmdstatus = status; /* save the status */
clexec = oldcle; /* restore clexec flag */
execstr = oldestr;
return status;
}
/*
* new token:
* chop a token off a string
* return a pointer past the token
*
* char *src in, source string
* char **tokref out, destination of newly allocated token string
*/
static char *newtoken( char *src, char **tokref) {
boolean quotef ; /* is the current string quoted? */
char *tok ; /* allocated string */
int size ; /* allocated size */
int idx = 0 ; /* insertion point into token string */
tok = malloc( NSTRING) ;
size = (tok == NULL) ? 0 : NSTRING ;
/* first scan past any whitespace in the source string */
while (*src == ' ' || *src == '\t')
++src;
/* scan through the source string */
quotef = FALSE;
while (*src) {
char c ; /* temporary character */
/* process special characters */
if (*src == '~') {
++src;
if (*src == 0)
break;
switch (*src++) {
case 'r':
c = 13;
break;
case 'n':
c = 10;
break;
case 't':
c = 9;
break;
case 'b':
c = 8;
break;
case 'f':
c = 12;
break;
default:
c = *(src - 1);
}
} else {
/* check for the end of the token */
if (quotef) {
if (*src == '"')
break;
} else {
if (*src == ' ' || *src == '\t')
break;
}
/* set quote mode if quote found */
if (*src == '"')
quotef = TRUE;
/* record the character */
c = *src++;
}
if( idx < size - 1)
tok[ idx++] = c ;
else if( size > 1) {
char *tmptok ;
tmptok = malloc( size + 32) ;
if( tmptok == NULL)
size = 0 ;
else {
memcpy( tmptok, tok, idx) ;
free( tok) ;
tok = tmptok ;
size += 32 ;
tok[ idx++] = c ;
}
}
}
/* terminate the token and exit */
if (*src)
++src;
if( tok != NULL)
tok[ idx] = 0 ;
*tokref = tok ;
return src;
}
static char *token( char *srcstr, char *tok, int maxtoksize) {
char *newtok ;
srcstr = newtoken( srcstr, &newtok) ;
if( newtok == NULL)
tok[ 0] = 0 ;
else {
mystrscpy( tok, newtok, maxtoksize) ;
free( newtok) ;
}
return srcstr ;
}
void gettoken( char *tok, int maxtoksize) {
execstr = token( execstr, tok, maxtoksize) ;
}
static char *getnewtoken( void) {
char *tok ;
execstr = newtoken( execstr, &tok) ;
return tok ;
}
boolean gettokval( char *tok, int size) {
char *tmpbuf ;
/* grab token and advance past */
tmpbuf = getnewtoken() ;
if( tmpbuf == NULL)
return FALSE ;
/* evaluate it */
mystrscpy( tok, getval( tmpbuf), size) ;
free( tmpbuf) ;
return TRUE ;
}
char *getnewtokval( void) {
char *tmpbuf ;
char *tmpval ;
char *valbuf ;
/* grab token and advance past */
tmpbuf = getnewtoken() ;
if( tmpbuf == NULL)
return NULL ;
/* evaluate it */
tmpval = getval( tmpbuf) ;
valbuf = malloc( strlen( tmpval) + 1 ) ;
if( valbuf != NULL)
strcpy( valbuf, tmpval) ;
free( tmpbuf) ;
return valbuf ;
}
/*
* get a macro line argument
*
* char *tok; buffer to place argument
*/
static int macarg( char *tok, int toksz) {
int status ;
boolean savcle ; /* buffer to store original clexec */
savcle = clexec ; /* save execution mode */
clexec = TRUE ; /* get the argument */
status = gettokval( tok, toksz) ;
clexec = savcle ; /* restore execution mode */
return status ;
}
/*
* storemac:
* Set up a macro buffer and flag to store all
* executed command lines there
*
* int f; default flag
* int n; macro number to use
*/
static char macbufname[] = "*Macro xx*" ;
#define MACDIGITPOS 7
int storemac(int f, int n)
{
struct buffer *bp; /* pointer to macro buffer */
/* must have a numeric argument to this function */
if (f == FALSE) {
mlwrite("No macro specified");
return FALSE;
}
/* range check the macro number */
if (n < 1 || n > 40) {
mlwrite("Macro number out of range");
return FALSE;
}
/* construct the macro buffer name */
macbufname[ MACDIGITPOS] = '0' + (n / 10) ;
macbufname[ MACDIGITPOS + 1] = '0' + (n % 10) ;
/* set up the new macro buffer */
bp = bfind( macbufname, TRUE, BFINVS) ;
if( bp == NULL) {
mlwrite("Can not create macro");
return FALSE;
}
/* and make sure it is empty */
bclear(bp);
/* and set the macro store pointers to it */
mstore = TRUE;
bstore = bp;
return TRUE;
}
/*
** exec -- execute a buffer
** common to execute buffer, procedure and macro
*/
static int exec( int n, char *bufname, char *errstr) {
struct buffer *bp ; /* ptr to buffer to execute */
/* find the pointer to that buffer */
bp = bfind( bufname, FALSE, 0) ;
if( bp == NULL) {
mlwrite( "No such %s", errstr) ;
return FALSE ;
}
/* and now execute it as asked */
int status = TRUE ;
while( status == TRUE && n-- > 0)
status = dobuf( bp) ;
return status ;
}
#if PROC
/*
* storeproc:
* Set up a procedure buffer and flag to store all
* executed command lines there
*
* int f; default flag
* int n; macro number to use
*/
int storeproc( int f, int n) {
struct buffer *bp ; /* pointer to macro buffer */
int status ; /* return status */
bname_t bname ; /* name of buffer to use */
char *name ;
/* a numeric argument means its a numbered macro */
if( f == TRUE)
return storemac( f, n) ;
/* get the name of the procedure */
status = newmlarg( &name, "Procedure name: ", sizeof bname - 2) ;
if( status != TRUE)
return status ;
/* construct the macro buffer name */
bname[ 0] = '*';
mystrscpy( &bname[ 1], name, sizeof bname - 2) ;
strcat( bname, "*") ;
free( name) ;
/* set up the new macro buffer */
bp = bfind( bname, TRUE, BFINVS) ;
if( bp == NULL) {
mlwrite( "Can not create macro") ;
return FALSE ;
}
/* and make sure it is empty */
bclear( bp) ;
/* and set the macro store pointers to it */
mstore = TRUE ;
bstore = bp ;
return TRUE ;
}
/*
* execproc:
* Execute a procedure
*
* int f, n; default flag and numeric arg
*/
int execproc( int f, int n) {
int status ; /* status return */
bname_t bufn ; /* name of buffer to execute */
char *name ;
/* find out what buffer the user wants to execute */
status = newmlarg( &name, "Execute procedure: ", sizeof bufn - 2) ;
if( status != TRUE)
return status ;
/* construct the buffer name */
bufn[ 0] = '*' ;
mystrscpy( &bufn[ 1], name, sizeof bufn - 2) ;
strcat( bufn, "*") ;
free( name) ;
return exec( n, bufn, "procedure") ;
}
#endif
/*
* execbuf:
* Execute the contents of a buffer of commands
*
* int f, n; default flag and numeric arg
*/
int execbuf( int f, int n) {
int status ; /* status return */
char *bufn ; /* name of buffer to execute */
/* find out what buffer the user wants to execute */
status = newmlarg( &bufn, "Execute buffer: ", sizeof( bname_t)) ;
if( status != TRUE)
return status ;
status = exec( n, bufn, "buffer") ;
free( bufn) ;
return status ;
}
/*
* dobuf:
* execute the contents of the buffer pointed to
* by the passed BP
*
* Directives start with a "!" and include:
*
* !endm End a macro
* !if (cond) conditional execution
* !else
* !endif
* !return Return (terminating current macro)
* !goto <label> Jump to a label in the current macro
* !force Force macro to continue...even if command fails
* !while (cond) Execute a loop if the condition is true
* !endwhile
*
* Line Labels begin with a "*" as the first nonblank char, like:
*
* *LBL01
*
* struct buffer *bp; buffer to execute
*/
static int dobuf(struct buffer *bp)
{
int status; /* status return */
struct line *lp; /* pointer to line to execute */
struct line *hlp; /* pointer to line header */
struct line *glp; /* line to goto */
struct line *mp; /* Macro line storage temp */
int dirnum; /* directive index */
int linlen; /* length of line to execute */
int i; /* index */
int force; /* force TRUE result? */
struct window *wp; /* ptr to windows to scan */
struct while_block *whlist; /* ptr to !WHILE list */
struct while_block *scanner; /* ptr during scan */
struct while_block *whtemp; /* temporary ptr to a struct while_block */
char *einit; /* initial value of eline */
char *eline; /* text of line to execute */
char tkn[NSTRING]; /* buffer to evaluate an expresion in */
/* clear IF level flags/while ptr */
execlevel = 0;
whlist = NULL;
scanner = NULL;
/* scan the buffer to execute, building WHILE header blocks */
hlp = bp->b_linep;
lp = hlp->l_fp;
while (lp != hlp) {
/* scan the current line */
eline = lp->l_text;
i = lp->l_used;
/* trim leading whitespace */
while (i-- > 0 && (*eline == ' ' || *eline == '\t'))
++eline;
/* if theres nothing here, don't bother */
if (i <= 0)
goto nxtscan;
/* if is a while directive, make a block... */
if (eline[0] == '!' && eline[1] == 'w' && eline[2] == 'h') {
whtemp = (struct while_block *)malloc(sizeof(struct while_block));
if (whtemp == NULL) {
noram:mlwrite
("%%Out of memory during while scan");
failexit:freewhile
(scanner);
freewhile(whlist);
return FALSE;
}
whtemp->w_begin = lp;
whtemp->w_type = BTWHILE;
whtemp->w_next = scanner;
scanner = whtemp;
}
/* if is a BREAK directive, make a block... */
if (eline[0] == '!' && eline[1] == 'b' && eline[2] == 'r') {
if (scanner == NULL) {
mlwrite
("%%!BREAK outside of any !WHILE loop");
goto failexit;
}
whtemp = (struct while_block *)malloc(sizeof(struct while_block));
if (whtemp == NULL)
goto noram;
whtemp->w_begin = lp;
whtemp->w_type = BTBREAK;
whtemp->w_next = scanner;
scanner = whtemp;
}
/* if it is an endwhile directive, record the spot... */
if (eline[0] == '!' && strncmp(&eline[1], "endw", 4) == 0) {
if (scanner == NULL) {
mlwrite
("%%!ENDWHILE with no preceding !WHILE in '%s'",
bp->b_bname);
goto failexit;
}
/* move top records from the scanner list to the
whlist until we have moved all BREAK records
and one WHILE record */
do {
scanner->w_end = lp;
whtemp = whlist;
whlist = scanner;
scanner = scanner->w_next;
whlist->w_next = whtemp;
} while (whlist->w_type == BTBREAK);
}
nxtscan: /* on to the next line */
lp = lp->l_fp;
}
/* while and endwhile should match! */
if (scanner != NULL) {
mlwrite("%%!WHILE with no matching !ENDWHILE in '%s'",
bp->b_bname);
goto failexit;
}
/* let the first command inherit the flags from the last one.. */
thisflag = lastflag;
/* starting at the beginning of the buffer */
hlp = bp->b_linep;
lp = hlp->l_fp;
while (lp != hlp) {
/* allocate eline and copy macro line to it */
linlen = lp->l_used;
if ((einit = eline = malloc(linlen + 1)) == NULL) {
mlwrite("%%Out of Memory during macro execution");
freewhile(whlist);
return FALSE;
}
mystrscpy( eline, lp->l_text, linlen + 1) ;
/* trim leading whitespace */
while (*eline == ' ' || *eline == '\t')
++eline;
/* dump comments and blank lines */
if (*eline == ';' || *eline == '#' || *eline == 0)
goto onward;
#if DEBUGM
/* if $debug == TRUE, every line to execute
gets echoed and a key needs to be pressed to continue
^G will abort the command */
if( macbug) {
int c ;
/* debug macro name, if levels and lastly the line */
c = mdbugout( "<<<%s:%d:%s>>>", bp->b_bname, execlevel, eline) ;
if( c == abortc) {
freewhile( whlist) ;
free( einit) ;
return FALSE ;
} else if( c == metac) {
macbug = FALSE ;
}
}
#endif
/* Parse directives here.... */
dirnum = -1;
if (*eline == '!') {
/* Find out which directive this is */
++eline;
for (dirnum = 0; dirnum < NUMDIRS; dirnum++)
if (strncmp(eline, dname[dirnum],
strlen(dname[dirnum])) == 0)
break;
/* and bitch if it's illegal */
if (dirnum == NUMDIRS) {
mlwrite("%%Unknown Directive");
freewhile(whlist);
free( einit) ;
return FALSE;
}
/* service only the !ENDM macro here */
if (dirnum == DENDM) {
mstore = FALSE;
bstore = NULL;
goto onward;
}
/* restore the original eline.... */
--eline;
}
/* if macro store is on, just salt this away */
if (mstore) {
/* allocate the space for the line */
linlen = strlen(eline);
if ((mp = lalloc(linlen)) == NULL) {
free( einit) ;
mlwrite( "Out of memory while storing macro") ;
return FALSE ;
}
/* copy the text into the new line */
for (i = 0; i < linlen; ++i)
lputc(mp, i, eline[i]);
/* attach the line to the end of the buffer */
bstore->b_linep->l_bp->l_fp = mp;
mp->l_bp = bstore->b_linep->l_bp;
bstore->b_linep->l_bp = mp;
mp->l_fp = bstore->b_linep;
goto onward;
}
force = FALSE;
/* dump comments */
if (*eline == '*')
goto onward;
/* now, execute directives */
if (dirnum != -1) {
/* skip past the directive */
while (*eline && *eline != ' ' && *eline != '\t')
++eline;
execstr = eline;
switch (dirnum) {
case DIF: /* IF directive */
/* grab the value of the logical exp */
if (execlevel == 0) {
if( macarg( tkn, sizeof tkn) != TRUE)
goto eexec;
if (stol(tkn) == FALSE)
++execlevel;
} else
++execlevel;
goto onward;
case DWHILE: /* WHILE directive */
/* grab the value of the logical exp */
if (execlevel == 0) {
if( macarg( tkn, sizeof tkn) != TRUE)
goto eexec;
if (stol(tkn) == TRUE)
goto onward;
}
/* drop down and act just like !BREAK */
/* fallthrough */
case DBREAK: /* BREAK directive */
if (dirnum == DBREAK && execlevel)
goto onward;
/* jump down to the endwhile */
/* find the right while loop */
whtemp = whlist;
while (whtemp) {
if (whtemp->w_begin == lp)
break;
whtemp = whtemp->w_next;
}
if (whtemp == NULL) {
mlwrite
("%%Internal While loop error");
freewhile(whlist);
return FALSE;
}
/* reset the line pointer back.. */
lp = whtemp->w_end;
goto onward;
case DELSE: /* ELSE directive */
if (execlevel == 1)
--execlevel;
else if (execlevel == 0)
++execlevel;
goto onward;
case DENDIF: /* ENDIF directive */
if (execlevel)
--execlevel;
goto onward;
case DGOTO: /* GOTO directive */
/* .....only if we are currently executing */
if (execlevel == 0) {
/* grab label to jump to */
eline = token( eline, golabel, sizeof golabel) ;
linlen = strlen(golabel);
glp = hlp->l_fp;
while (glp != hlp) {
if (*glp->l_text == '*' &&
(strncmp
(&glp->l_text[1],
golabel,
linlen) == 0)) {
lp = glp;
goto onward;
}
glp = glp->l_fp;
}
mlwrite("%%No such label");
freewhile(whlist);
return FALSE;
}
goto onward;
case DRETURN: /* RETURN directive */
if (execlevel == 0)
goto eexec;
goto onward;
case DENDWHILE: /* ENDWHILE directive */
if (execlevel) {
--execlevel;
goto onward;
} else {
/* find the right while loop */
whtemp = whlist;
while (whtemp) {
if (whtemp->w_type ==
BTWHILE
&& whtemp->w_end == lp)
break;
whtemp = whtemp->w_next;
}
if (whtemp == NULL) {
mlwrite
("%%Internal While loop error");
freewhile(whlist);
return FALSE;
}
/* reset the line pointer back.. */
lp = whtemp->w_begin->l_bp;
goto onward;
}
case DFORCE: /* FORCE directive */
force = TRUE;
}
}
/* execute the statement */
status = docmd(eline);
if (force) /* force the status */
status = TRUE;
/* check for a command error */
if (status != TRUE) {
/* look if buffer is showing */
wp = wheadp;
while (wp != NULL) {
if (wp->w_bufp == bp) {
/* and point it */
wp->w_dotp = lp;
wp->w_doto = 0;
wp->w_flag |= WFHARD;
}
wp = wp->w_wndp;
}
/* in any case set the buffer . */
bp->b_dotp = lp;
bp->b_doto = 0;
free(einit);
execlevel = 0;
freewhile(whlist);
return status;
}
onward: /* on to the next line */
free(einit);
lp = lp->l_fp;
}
eexec: /* exit the current function */
execlevel = 0;
freewhile(whlist);
return TRUE;
}
/*
* free a list of while block pointers
*
* struct while_block *wp; head of structure to free
*/
static void freewhile(struct while_block *wp)
{
if (wp == NULL)
return;
if (wp->w_next)
freewhile(wp->w_next);
free(wp);
}
/*
* execute a series of commands in a file
*
* int f, n; default flag and numeric arg to pass on to file
*/
int execfile( int f, int n) {
int status ; /* return status of name query */
char *fname ; /* name of file to execute */
char *fspec ; /* full file spec */
status = newmlarg( &fname, "Execute file: ", 0) ;
if( status != TRUE)
return status ;
/* look up the path for the file */
fspec = flook( fname, FALSE) ; /* used to be TRUE, P.K. */
free( fname) ;
/* if it isn't around */
if( fspec == NULL)
return FALSE ;
/* otherwise, execute it */
while( status == TRUE && n-- > 0)
status = dofile( fspec) ;
return status ;
}
/*
* dofile:
* yank a file into a buffer and execute it
* if there are no errors, delete the buffer on exit
*
* char *fname; file name to execute
*/
int dofile( const char *fname) {
struct buffer *bp; /* buffer to place file to exeute */
struct buffer *cb; /* temp to hold current buf while we read */
int status; /* results of various calls */
bname_t bname ; /* name of buffer */
makename(bname, fname); /* derive the name of the buffer */
unqname(bname); /* make sure we don't stomp things */
if ((bp = bfind(bname, TRUE, 0)) == NULL) /* get the needed buffer */
return FALSE;
bp->b_mode = MDVIEW; /* mark the buffer as read only */
cb = curbp; /* save the old buffer */
curbp = bp; /* make this one current */
/* and try to read in the file to execute */
if ((status = readin(fname, FALSE)) != TRUE) {
curbp = cb; /* restore the current buffer */
return status;
}
/* go execute it! */
curbp = cb; /* restore the current buffer */
if ((status = dobuf(bp)) != TRUE)
return status;
/* if not displayed, remove the now unneeded buffer and exit */
if (bp->b_nwnd == 0)
zotbuf(bp);
return TRUE;
}
/*
* cbuf:
* Execute the contents of a numbered buffer
*
* int f, n; default flag and numeric arg
* int bufnum; number of buffer to execute
*/
static int cbuf( int f, int n, int bufnum) {
/* make the buffer name */
macbufname[ MACDIGITPOS] = '0' + (bufnum / 10) ;
macbufname[ MACDIGITPOS + 1] = '0' + (bufnum % 10) ;
return exec( n, macbufname, "macro") ;
}
/* execute buffer of numbered macro [1..40] */
#define cbufnn( nn) \
int cbuf##nn( int f, int n) { \
return cbuf( f, n, nn) ; \
}
cbufnn( 1)
cbufnn( 2)
cbufnn( 3)
cbufnn( 4)
cbufnn( 5)
cbufnn( 6)
cbufnn( 7)
cbufnn( 8)
cbufnn( 9)
cbufnn( 10)
cbufnn( 11)
cbufnn( 12)
cbufnn( 13)
cbufnn( 14)
cbufnn( 15)
cbufnn( 16)
cbufnn( 17)
cbufnn( 18)
cbufnn( 19)
cbufnn( 20)
cbufnn( 21)
cbufnn( 22)
cbufnn( 23)
cbufnn( 24)
cbufnn( 25)
cbufnn( 26)
cbufnn( 27)
cbufnn( 28)
cbufnn( 29)
cbufnn( 30)
cbufnn( 31)
cbufnn( 32)
cbufnn( 33)
cbufnn( 34)
cbufnn( 35)
cbufnn( 36)
cbufnn( 37)
cbufnn( 38)
cbufnn( 39)
cbufnn( 40)
/* end of exec.c */
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