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Annotation of 41BSD/cmd/refer/refer8.c, revision 1.1.1.1

1.1       root        1: # include "refer..c"
                      2: static char ahead[1000];
                      3: static int peeked = 0;
                      4: static int noteof = 1;
                      5: char *
                      6: input (s)
                      7:        char *s;
                      8: {
                      9: if (peeked)
                     10:        {
                     11:        peeked=0;
                     12:        if (noteof==0) return(0);
                     13:        strcpy (s, ahead);
                     14:        return(s);
                     15:        }
                     16: return(fgets(s, 1000, in));
                     17: }
                     18: char *
                     19: lookat()
                     20: {
                     21: if (peeked) return(ahead);
                     22: noteof=input(ahead);
                     23: peeked=1;
                     24: return(noteof);
                     25: }
                     26: addch(s, c)
                     27:        char *s;
                     28: {
                     29: while (*s) s++;
                     30: *s++ = c;
                     31: *s = 0;
                     32: }

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