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Text File  |  1988-01-30  |  384b  |  8 lines

  1. /*
  2. ** isupper -- true if argument is valid ASCII upper case alphabetic
  3. */
  4. isupper(c) char c; {
  5.   if(c >= 'A' && c <= 'Z') return 1;
  6.   else return 0;
  7.   }
  8.