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- /*
- * $Id: imagen.trm%v 3.50 1993/07/09 05:35:24 woo Exp $
- */
-
- /* GNUPLOT - imagen.trm */
- /*
- * Copyright (C) 1990
- *
- * Permission to use, copy, and distribute this software and its
- * documentation for any purpose with or without fee is hereby granted,
- * provided that the above copyright notice appear in all copies and
- * that both that copyright notice and this permission notice appear
- * in supporting documentation.
- *
- * Permission to modify the software is granted, but not the right to
- * distribute the modified code. Modifications are to be distributed
- * as patches to released version.
- *
- * This software is provided "as is" without express or implied warranty.
- *
- * This file is included by ../term.c.
- *
- * This terminal driver supports:
- * Imagen laser printers
- *
- * AUTHORS
- * Paul E. McKenney, David Kotz
- * Rewritten/extended by:
- * Hans Olav Eggestad
- * send your comments or suggestions to (info-gnuplot@dartmouth.edu).
- *
- */
-
- /*
- * Original for direct Imagen output (but retaining many of the
- * LaTeX extensions) by Paul E. McKenney, 1989.
- * Further modified by David Kotz to fit into gnuplot 2.0.
- * Information Science and Technology Division, SRI International,
- * 333 Ravenswood Ave, Menlo Park, CA 94025.
- * Mail to mckenney@sri.com.
- */
-
- #include "impcodes.h"
-
- #define IMAGEN_PTS_PER_INCH (300)
- #define IMAGEN_A4_H (IMAGEN_PTS_PER_INCH * 83 / 10) /* default is landscape */
- #define IMAGEN_A4_W (IMAGEN_PTS_PER_INCH * 116 / 10)
-
- #define IMAGEN_XMAX (IMAGEN_PTS_PER_INCH * 11) /* 10.0 inches */
- #define IMAGEN_YMAX (IMAGEN_PTS_PER_INCH * 78 / 10) /* 7.5 inches */
-
- static int IMAGEN_Xmax = IMAGEN_XMAX; /* width in current orientation */
- static int IMAGEN_Ymax = IMAGEN_YMAX;
-
- #define IMAGEN_FONTSIZE 12
- #define IMAGEN_FONT "cour"
-
- #define IMAGEN_HTIC (20)
- #define IMAGEN_VTIC (20)
- #define IMAGEN_VCHAR (IMAGEN_FONTSIZE*5)
- #define IMAGEN_HCHAR (IMAGEN_VCHAR/2)
-
- unsigned short IMP_gmap[128];
- unsigned char IMP_chmap[256];
-
- static int IMAGEN_page_h = IMAGEN_A4_H;
- static int IMAGEN_page_w = IMAGEN_A4_W;
- static int IM_win_horiz = 1;
- static int IM_win_verti = 1;
- static int IM_plot_nr = 0;
-
- static int IMAGEN_fontsize = IMAGEN_FONTSIZE;
- static int IMAGEN_familytable[36];
- static int IMAGEN_orgX; /* absolute-pixel-ORIgin of graph page. */
- static int IMAGEN_orgY;
- static int IMAGEN_orgx; /* absolute-pixel-ORIgin of current graph. */
- static int IMAGEN_orgy;
- static int IMAGEN_posx; /* current drawing position (lines). */
- static int IMAGEN_posy;
- static int IMAGEN_inplot;
- static int IMAGEN_xmax = IMAGEN_XMAX; /* width of graph in pixels. */
- static int IMAGEN_ymax = IMAGEN_YMAX; /* height of graph in pixels. */
- static int IMAGEN_winx = IMAGEN_XMAX; /* width of window in pixels. */
- static int IMAGEN_winy = IMAGEN_YMAX; /* height of window in pixels. */
- static int IMAGEN_hchar; /* Height of CHAR in current font. */
- static int IMAGEN_wchar; /* Width of CHAR in current font. */
- static int IMAGEN_blofs; /* BaseLine OFfSet from bounding box. */
- static int IMAGEN_angle = -1; /* 0 for horizontal text, 1 for vertical */
- static int IMAGEN_portrait; /* 0 for landscape */
- static enum JUSTIFY IMAGEN_justify = LEFT; /* left/center/right */
-
- static IMAGEN_seq_pos; /* position in sequence */
-
- static void IMAGEN_putwd();
- static void IMAGEN_createfamily();
- static void IMAGEN_setfont();
- static void IMAGEN_setpos();
- void IMP_set_draw_pattern();
- static unsigned char *IMAGEN_cvts();
-
- /* char IMPdrpattern[10][10] = { {0}, {30,10,0}, {0}, {10,30,0}, {2,20,0},
- {20,10,0}, {30,20,10,20,0}, {30,20,4,10,10,10,4,20,0}, {40,20,0}, {30,15,4,15,0}
- };
- */
-
- char IMPdrpattern[10][10] = {
- /* -2 */ {0},
- /* -1 */ {1,8,0},
- /* 0 */ {0},
- /* 1 */ {16,4,0},
- /* 2 */ {3,8,0},
- /* 3 */ {8,8,0},
- /* 4 */ {16,6,3,6,0},
- /* 5 */ {16,6,8,6,0},
- /* 6 */ {16,4,1,4,8,4,1,4,0},
- /* 7 */ {16,4,1,8,1,4,0}
- };
-
- IMAGEN_init()
- {
- register struct termentry *t = &term_tbl[term];
-
- /* char font[10]; */ /* font name */
-
- IMAGEN_posx = IMAGEN_posy = 0;
-
- IMAGEN_orgX = (IMAGEN_page_w - IMAGEN_Xmax) / 2;
- IMAGEN_orgY = (IMAGEN_page_h - IMAGEN_Ymax) / 2;
-
- IMAGEN_xmax = IMAGEN_winx = (int)(IMAGEN_Xmax / IM_win_horiz);
- IMAGEN_ymax = IMAGEN_winy = (int)(IMAGEN_Ymax / IM_win_verti);
-
- t->xmax = (unsigned int)(IMAGEN_xmax);
- t->ymax = (unsigned int)(IMAGEN_ymax);
-
- fputs("@document(language impress, paper a4)", outfile);
-
- if (IMAGEN_portrait) {
- putc(imP_SET_ABS_V, outfile);
- IMAGEN_putwd(3520);
- }
- putc(imP_SET_HV_SYSTEM, outfile);
- putc(((IMAGEN_portrait?3:0)<<5)|(3<<3)|(IMAGEN_portrait?0:5), outfile);
-
- /* sprintf(font, "cour%02d", IMAGEN_FONTSIZE); */
- IMAGEN_mapsinit();
- IMAGEN_createmap(1,IMP_gmap);
- /* IMAGEN_createfamily(font, IMAGEN_FONTSIZE); */
- IMAGEN_setfont(IMAGEN_fontsize);
-
- IMAGEN_text_angle(0);
-
- putc(imP_SET_ABS_H, outfile);
- IMAGEN_putwd(0);
- putc(imP_SET_ABS_V, outfile);
- IMAGEN_putwd(0);
-
- IMAGEN_linetype(-1);
- }
-
- IM_page()
- {
- putc(imP_ENDPAGE, outfile);
- putc(imP_PAGE, outfile);
- }
-
- IMAGEN_graphics()
- {
- int tmpx, tmpy;
-
- if ( IM_plot_nr >= ( IM_win_horiz * IM_win_verti )) {
- IM_page();
- IM_plot_nr = 0;
- }
- IM_plot_nr++;
- tmpx = IMAGEN_orgX + ((IM_plot_nr - 1) % IM_win_horiz) * IMAGEN_winx;
- tmpy = IMAGEN_orgY + ((IM_win_verti - 1) - (int)((IM_plot_nr - 1) / IM_win_horiz)) * IMAGEN_winy;
- IMAGEN_orgx = tmpx + (int)((IMAGEN_winx - IMAGEN_xmax)/2);
- IMAGEN_orgy = tmpy + (int)((IMAGEN_winy - IMAGEN_ymax)/2);
- }
-
- IMAGEN_options()
- {
- extern struct value *const_express();
- extern double real();
- struct value a;
-
- while (!END_OF_COMMAND) {
- if (almost_equals(c_token,"p$ortrait")) {
- IMAGEN_portrait=TRUE;
- IMAGEN_page_h = IMAGEN_A4_W;
- IMAGEN_page_w = IMAGEN_A4_H;
- IMAGEN_Xmax = IMAGEN_YMAX;
- IMAGEN_Ymax = IMAGEN_XMAX;
- c_token++;
- }
- else if (almost_equals(c_token,"l$andscape")) {
- IMAGEN_portrait=FALSE;
- c_token++;
- } else if (equals(c_token,"[")) { /* windows spesified */
- c_token++;
- if (IM_plot_nr>1)
- if (equals(c_token,"]")) {
- IM_page();
- c_token++;
- continue;
- }
- if (END_OF_COMMAND) {
- int_error("no. windows: [horizontal,vertical] expected",c_token);
- } else if (!equals(c_token,",")) {
- IM_win_horiz = (int)real(const_express(&a));
- }
- if (!equals(c_token,","))
- int_error("',' expected",c_token);
- c_token++;
- if (!equals(c_token,"]")) {
- IM_win_verti = (int)real(const_express(&a));
- }
- if (!equals(c_token,"]"))
- int_error("expecting ']'",c_token);
- c_token++;
- } else {
- /* We have font size specified */
- IMAGEN_fontsize = (int)real(const_express(&a));
- if ( IMAGEN_fontsize < 8 )
- IMAGEN_fontsize = 8;
- if ( IMAGEN_fontsize > 15 )
- IMAGEN_fontsize = 15;
- }
- }
- sprintf(term_options,"%d %s [%1d,%1d]",IMAGEN_fontsize,(IMAGEN_portrait)?"portrait":"landscape",IM_win_horiz,IM_win_verti);
- }
-
-
- IMAGEN_text()
- {
- }
-
- IMAGEN_scale(xs, ys)
- double xs, ys; /* scaling factors */
- {
- register struct termentry *t = &term_tbl[term];
-
- /* we change the table for use in graphics.c and IMAGEN_graphics */
- t->xmax = (unsigned int)(xs * IMAGEN_winx);
- IMAGEN_xmax = t->xmax ;
- t->ymax = (unsigned int)(ys * IMAGEN_winy);
- IMAGEN_ymax = t->ymax ;
-
- return TRUE ;
- }
-
- #define DRAW_PATTERNS 6
-
-
- IMAGEN_linetype(lt)
- int lt;
- {
- static int lastlinetype = -10;
- int pen;
-
- /* -2: axis
- -1: border
- 0: arrow
- 1-7: graph
- */
- if (lt == -2) {
- pen = 4;
- } else {
- pen = (int) (lt/8)*2;
- if ( pen <= 0 ) pen = 1;
- }
- lt = (lt % 8) +2;
-
- if (lastlinetype == lt)
- return;
-
- lastlinetype = lt;
-
- putc(imP_SET_PEN, outfile);
- putc(pen, outfile);
- IMP_set_draw_pattern(lt,pen);
- }
-
-
- IMAGEN_move(x,y)
- unsigned int x,y;
- {
- IMAGEN_posx = x;
- IMAGEN_posy = y;
- }
-
- IMAGEN_vector(ux,uy)
- unsigned int ux,uy;
- {
- /* Create path. */
-
- putc(imP_CREATE_PATH, outfile);
- IMAGEN_putwd(2);
- IMAGEN_putwd(IMAGEN_posx + IMAGEN_orgx);
- IMAGEN_putwd(IMAGEN_posy + IMAGEN_orgy);
- IMAGEN_putwd(ux + IMAGEN_orgx);
- IMAGEN_putwd(uy + IMAGEN_orgy);
-
- /* Draw path with black pen. */
-
- putc(imP_DRAW_PATH, outfile);
- putc(15, outfile);
-
- /* Set current position to end of line. */
-
- IMAGEN_move(ux, uy);
- }
-
- static void
- IMAGEN_setpos(ux, uy)
- int ux,uy;
- {
- /* Set x and y position (for text), also set beginning-of-line. */
-
- putc(imP_SET_ABS_H, outfile);
- IMAGEN_putwd(ux + IMAGEN_orgx);
- putc(imP_SET_ABS_V, outfile);
- IMAGEN_putwd(uy + IMAGEN_orgy);
- putc(imP_SET_BOL, outfile);
- if (IMAGEN_angle == 1)
- IMAGEN_putwd(uy + IMAGEN_orgx); /* vertical */
- else
- IMAGEN_putwd(ux + IMAGEN_orgx); /* horizontal */
- }
-
- IMAGEN_text_angle(angle)
- int angle;
- {
- if (IMAGEN_angle != angle) {
- IMAGEN_angle = angle; /* record for later use */
- putc(imP_SET_ADV_DIRS, outfile);
- putc(angle == 0 ? 0 : 7, outfile); /* 0=>horiz : 7=>vert */
- }
-
- return(TRUE);
- }
-
- IMAGEN_justify_text(mode)
- enum JUSTIFY mode;
- {
- IMAGEN_justify = mode;
- return(TRUE);
- }
-
- static unsigned char *
- IMAGEN_cvts(str, width, height)
- unsigned char *str;
- int *width;
- int *height;
- {
- unsigned char *cp1;
- unsigned char *cp2;
- static unsigned char *buf = NULL;
- int h;
- int maxw;
- int w;
-
- /* Free up old buffer, if there is one, get a new one. Since */
- /* all transformations shorten the string, get a buffer that is */
- /* the same size as the input string. */
-
- if (buf != NULL)
- (void) free(buf);
- buf = (unsigned char *) alloc(strlen(str) + 1, "converted label string");
-
- /* Do the transformations. */
-
- cp1 = str;
- cp2 = buf;
- h = 1;
- maxw = 0;
- w = 0;
- while (strlen(cp1) > 0) {
- switch (*cp1) {
- case ' ' : /* Space character. */
- *cp2++ = imP_SP;
- w++;
- break;
-
- case '\\' : /* Escape sequence. */
- if (*++cp1 == '\\') {
- /* Begin new line. */
- h++;
- if (w > maxw)
- maxw = w;
- w = 0;
- *cp2++ = '\n';
- /* *cp2++ = imP_CRLF; */
- break;
- }
-
- /* Fall through to just copy next char out. */
-
- default :
- /* *cp2++ = *cp1; */
- *cp2++ = IMP_chmap[*cp1];
- w++;
- break;
- }
- cp1++;
- }
-
- *cp2++ = '\n';
- *cp2 = '\0';
- if (w > maxw)
- maxw = w;
-
- if (height != NULL)
- *height = IMAGEN_angle ?
- IMAGEN_wchar * maxw :
- IMAGEN_hchar * h;
- if (width != NULL)
- *width = IMAGEN_angle ?
- IMAGEN_hchar * h :
- IMAGEN_wchar * maxw;
- return (buf);
- }
-
- IMAGEN_put_text(x, y, str)
- int x,y; /* reference point of string */
- unsigned char str[]; /* the text */
- {
- unsigned char *cvstr, *p;
- int height;
- int width;
- int sx, sy;
-
- cvstr = IMAGEN_cvts(str, &width, &height);
-
- if (IMAGEN_angle) { /* vertical */
- /* x += IMAGEN_hchar; */
- x -= width/2 - IMAGEN_hchar;
- /* y -= height/2; */
- } else /* horizontal */
- y += height/2 - IMAGEN_hchar;
-
- #ifdef sequent
- while ( p=(unsigned char *)index(cvstr,'\n' )) {
- #else
- while ( p=(unsigned char *)strchr(cvstr,'\n' )) {
- #endif
- *p = '\0';
- sx = x;
- sy = y;
- if ( IMAGEN_angle )
- sx = x - IMAGEN_blofs;
- else
- sy = y + IMAGEN_blofs;
-
- width = strlen(cvstr)*IMAGEN_wchar;
-
- switch (IMAGEN_justify) {
- case LEFT:
- break;
- case CENTRE:
- if ( IMAGEN_angle ) {
- sy = y - width/2;
- } else {
- sx = x - width/2;
- }
- break;
- /*x -= width/2; break; */
- case RIGHT:
- if ( IMAGEN_angle ) {
- sy = y - width;
- } else {
- sx = x - width;
- }
- break;
- /* x -= width; break; */
- }
-
- IMAGEN_setpos(sx, sy);
- fputs((char*) cvstr, outfile);
- cvstr = ++p;
- if (IMAGEN_angle) { /* vertical */
- x += IMAGEN_hchar;
- } else {
- y -= IMAGEN_hchar;
- }
-
- }
- }
-
- IMAGEN_reset()
- {
- putc(imP_EOF, outfile);
- }
-
- static void
- IMAGEN_putwd(w)
- {
- putc(w>>8, outfile);
- putc(w, outfile);
- }
-
- static void
- IMAGEN_createfamily(c, sz)
- char *c;
- int sz;
- {
-
- putc(imP_CREATE_FAMILY_TABLE, outfile);
- putc(sz, outfile);
- putc(1, outfile);
- putc(1, outfile);
- /* putc(0, outfile); */
- fputs(c, outfile);
- putc(0, outfile);
- }
-
- static void
- IMAGEN_setfont(sz)
- int sz;
- {
- char font[20];
-
- if ( ! IMAGEN_familytable[sz] ) {
- sprintf(font,"%s%02d",IMAGEN_FONT,sz);
- IMAGEN_createfamily(font, sz);
- IMAGEN_familytable[sz] = sz;
- }
- IMAGEN_hchar = sz * 5;
- IMAGEN_wchar = IMAGEN_hchar / 2;
- IMAGEN_blofs = IMAGEN_hchar / 3;
- term_tbl[term].v_char = IMAGEN_hchar;
- term_tbl[term].h_char = IMAGEN_wchar;
- putc(imP_SET_FAMILY, outfile);
- putc(sz, outfile);
- putc(imP_SET_SP, outfile);
- IMAGEN_putwd(IMAGEN_wchar);
- putc(imP_SET_IL, outfile);
- IMAGEN_putwd(IMAGEN_hchar);
- }
-
- void
- IMP_set_draw_pattern(pattern,sz)
- int sz, pattern;
- {
- int i;
- putc(imP_SET_DRAW_PATTERN, outfile);
- putc(0,outfile);
- putc(imP_SET_DRAW_PATTERN, outfile);
- /* if ( strlen(IMPdrpattern[pattern]) == 1 ) {
- putc(type,outfile);
- return;
- } */
- putc(strlen(IMPdrpattern[pattern]),outfile);
- for ( i=0;i<strlen(IMPdrpattern[pattern]);i++) {
- IMAGEN_putwd(IMPdrpattern[pattern][i]*sz);
- }
- }
-
-
- IMAGEN_mapsinit()
- {
-
- register int i;
-
- for ( i=32;i<127;i++) {
- IMP_gmap[i] = i;
- }
- IMP_gmap[1] = 225;
- IMP_gmap[2] = 233;
- IMP_gmap[3] = 61736;
- IMP_gmap[4] = 241;
- IMP_gmap[5] = 249;
- IMP_gmap[6] = 61864;
- IMP_gmap[7] = 162;
- IMP_gmap[8] = 163;
- IMP_gmap[9] = 164;
- IMP_gmap[10] = 165;
- IMP_gmap[11] = 167;
- IMP_gmap[12] = 171;
- IMP_gmap[13] = 182;
- IMP_gmap[14] = 61346;
- IMP_gmap[15] = 191;
- IMP_gmap[16] = 187;
- IMP_gmap[17] = 188;
- IMP_gmap[18] = 189;
- IMP_gmap[19] = 190;
- IMP_gmap[20] = 210;
- IMP_gmap[21] = 211;
- IMP_gmap[22] = 251;
- IMP_gmap[23] = 61232;
- IMP_gmap[24] = 212;
- IMP_gmap[25] = 137;
- IMP_gmap[26] = 176;
- IMP_gmap[27] = 161;
- IMP_gmap[28] = 139;
- IMP_gmap[29] = 133;
- IMP_gmap[30] = 140;
- IMP_gmap[31] = 61249;
- IMP_gmap[32] = 8738;
- IMP_gmap[34] = 186;
- IMP_gmap[36] = 164;
- IMP_gmap[39] = 185;
- IMP_gmap[127] = 61286;
-
- /* for (i=1;i<127;i++) fprintf(stderr,"%d -> %d\n",i,IMP_gmap[i]); */
-
- for ( i=32;i<=127;i++) {
- IMP_chmap [i] = i;
- }
- for ( i=128;i<=255;i++) {
- IMP_chmap [i] = 128; /* first map all non printable chars to SPACE */
- }
-
- IMP_chmap [161] = 27;
- IMP_chmap [162] = 7;
- IMP_chmap [163] = 8;
- IMP_chmap [164] = 120;
- IMP_chmap [165] = 10;
- IMP_chmap [166] = 124;
- IMP_chmap [167] = 11;
- IMP_chmap [168] = 25;
- IMP_chmap [169] = 21;
- IMP_chmap [170] = 45;
- IMP_chmap [171] = 12;
- IMP_chmap [172] = 83;
- IMP_chmap [173] = 45;
- IMP_chmap [174] = 20;
- IMP_chmap [175] = 126;
- IMP_chmap [176] = 26;
- IMP_chmap [177] = 12;
- IMP_chmap [178] = 1;
- IMP_chmap [179] = 2;
- IMP_chmap [180] = 29;
- IMP_chmap [181] = 52;
- IMP_chmap [182] = 13;
- IMP_chmap [183] = 5;
- IMP_chmap [184] = 28;
- IMP_chmap [185] = 3;
- IMP_chmap [186] = 45;
- IMP_chmap [187] = 16;
- IMP_chmap [188] = 17;
- IMP_chmap [189] = 18;
- IMP_chmap [190] = 19;
- IMP_chmap [191] = 15;
- IMP_chmap [192] = 65;
- IMP_chmap [193] = 65;
- IMP_chmap [194] = 65;
- IMP_chmap [195] = 65;
- IMP_chmap [196] = 65;
- IMP_chmap [197] = 3;
- IMP_chmap [198] = 1;
- IMP_chmap [199] = 67;
- IMP_chmap [200] = 69;
- IMP_chmap [201] = 69;
- IMP_chmap [202] = 69;
- IMP_chmap [203] = 69;
- IMP_chmap [204] = 73;
- IMP_chmap [205] = 73;
- IMP_chmap [206] = 73;
- IMP_chmap [207] = 73;
- IMP_chmap [208] = 68;
- IMP_chmap [209] = 78;
- IMP_chmap [210] = 79;
- IMP_chmap [211] = 79;
- IMP_chmap [212] = 79;
- IMP_chmap [213] = 79;
- IMP_chmap [214] = 79;
- IMP_chmap [215] = 13;
- IMP_chmap [216] = 2;
- IMP_chmap [217] = 85;
- IMP_chmap [218] = 85;
- IMP_chmap [219] = 85;
- IMP_chmap [220] = 85;
- IMP_chmap [221] = 89;
- IMP_chmap [222] = 32;
- IMP_chmap [223] = 22;
- IMP_chmap [224] = 97;
- IMP_chmap [225] = 97;
- IMP_chmap [226] = 97;
- IMP_chmap [227] = 97;
- IMP_chmap [228] = 97;
- IMP_chmap [229] = 6;
- IMP_chmap [230] = 4;
- IMP_chmap [231] = 99;
- IMP_chmap [232] = 101;
- IMP_chmap [233] = 101;
- IMP_chmap [234] = 101;
- IMP_chmap [235] = 101;
- IMP_chmap [236] = 105;
- IMP_chmap [237] = 105;
- IMP_chmap [238] = 105;
- IMP_chmap [239] = 105;
- IMP_chmap [240] = 100;
- IMP_chmap [241] = 110;
- IMP_chmap [242] = 111;
- IMP_chmap [243] = 111;
- IMP_chmap [244] = 111;
- IMP_chmap [245] = 111;
- IMP_chmap [246] = 111;
- IMP_chmap [247] = 10;
- IMP_chmap [248] = 5;
- IMP_chmap [249] = 117;
- IMP_chmap [250] = 117;
- IMP_chmap [251] = 117;
- IMP_chmap [252] = 117;
- IMP_chmap [253] = 121;
- IMP_chmap [254] = 32;
- IMP_chmap [255] = 121;
- }
-
- IMAGEN_createmap(name,map)
- unsigned short *map;
- int name;
- {
- register int i,j;
- unsigned char s[4], *p;
-
- p = s;
- *p++ = imP_CREATE_MAP;
- *p++ = name;
- j = 0;
- for (i=0;i<127;i++) {
- if ( map[i] ) j++;
- }
- *p = j;
- for (i=0;i<3;i++) putc(s[i],outfile);
-
- s[3] = 1;
- for (j=0;j<127;j++) {
- if ( map[j] ) {
- p = s;
- *p++ = j;
- *p++ = map[j] >> 8;
- *p = map[j] & 255;
- for (i=0;i<4;i++) putc(s[i],outfile);
- }
- }
- }
-
-