2.9BSD - /usr/src/cmd/lex/lib/allprint.c

   1: # include <stdio.h>
   2: allprint(c)
   3:   char c; {
   4:         extern FILE *yyout;
   5:         switch(c){
   6:                 case '\n':
   7:                         fprintf(yyout,"\\n");
   8:                         break;
   9:                 case '\t':
  10:                         fprintf(yyout,"\\t");
  11:                         break;
  12:                 case '\b':
  13:                         fprintf(yyout,"\\b");
  14:                         break;
  15:                 case ' ':
  16:                         fprintf(yyout,"\\\bb");
  17:                         break;
  18:                 default:
  19:                         if(!printable(c))
  20:                                 fprintf(yyout,"\\%-3o",c);
  21:                         else
  22:                                 putc(c,yyout);
  23:                         break;
  24:                 }
  25:         return;
  26:         }
  27: sprint(s)
  28:   char *s; {
  29:         while(*s)
  30:                 allprint(*s++);
  31:         return;
  32:         }
  33: printable(c)
  34:   int c;
  35:         {
  36:         return(040 < c && c < 0177);
  37:         }

Defined functions