file_stack       2164 dxref.c            int file_stack [STACK_SIZE], sp = 0;
file_stack       2245 dxref.c        	    file_stack [sp++] = atoi (file_num);
file_stack       2247 dxref.c        					    file_stack [sp - 1]);
file_stack       2249 dxref.c        					    file_stack [sp - 1]);
file_stack       2257 dxref.c        						       file_stack [sp - 2]);
file_stack       2259 dxref.c        						       file_stack [sp - 2]);
file_stack       2284 dxref.c        						  file_stack [sp - 1]);
file_stack       2297 dxref.c        						  file_stack [sp - 1]);
file_stack       2299 dxref.c        						  file_stack [sp - 1]);
file_stack       2328 dxref.c        						  file_stack [sp - 1]);
file_stack       2330 dxref.c        						  file_stack [sp - 1]);