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- Listing 1
-
- ------------------------------------------------------------
- puttext_write(x,y,xsize,ysize,string,attr,buffer)
- int x,y,xsize,ysize;
- char *string, attr, *buffer;
- {
- char *maxbuffer;
-
- if (x >= xsize || y >= ysize) /* Range Errors */
- return;
-
- maxbuffer = buffer+(xsize*ysize*2)-1;
- /* maxbuffer points to the attribute of the last character */
-
- buffer += (((y*xsize)+x)*2);
- /* buffer points to the first character to write */
-
- /* While buffer is not overrun and there are characters left
- * to print.
- */
- while ((buffer < maxbuffer) && (*string != '\0')) {
- *buffer++ = *string++; /* Do character */
- *buffer++ = attr; /* Do attribute */
- }
- }
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