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Annotation of 41BSD/cmd/eyacc/ey5.c, revision 1.1

1.1     ! root        1: /* (c) 1979 Regents of the University of California */
        !             2: /* fake portable I/O routines, for those
        !             3:     sites so backward as to not have the
        !             4:      port. library */
        !             5: /* munged for portable i/o library: peter and louise 5 may 80 */
        !             6: #include <stdio.h>
        !             7: 
        !             8: FILE *cin, *cout;
        !             9: 
        !            10: FILE *copen( s, c )
        !            11:     char *s;
        !            12:     char c;
        !            13:   {
        !            14:   FILE *f;
        !            15: 
        !            16:          if( c == 'r' ){
        !            17:            f = fopen( s, "r" );
        !            18:   } else  if( c == 'a' ){
        !            19:            f = fopen( s, "a" );
        !            20:            fseek( f, 0L, 2 );
        !            21:   } else {  /* c == w */
        !            22:            f = fopen( s, "w" );
        !            23:   }
        !            24: 
        !            25:   return( f );
        !            26:   }
        !            27: 
        !            28: cflush(x) FILE *x; { /* fake! sets file to x */
        !            29:   fflush( cout );
        !            30:   cout = x;
        !            31:   }
        !            32: 
        !            33: system(){
        !            34:   error( "The function \"system\" is called" );
        !            35:   }
        !            36: 
        !            37: cclose(i) FILE *i; {
        !            38:   fclose(i);
        !            39:   }
        !            40: 
        !            41: cexit(i){
        !            42:   fflush( cout );
        !            43:   if ( i != 0 ) {
        !            44:     abort();
        !            45:   }
        !            46:   exit(i);
        !            47:   }

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