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C/C++ Source or Header  |  1990-03-23  |  160 b   |  12 lines
  1. #include "plplot.h"
  2.  
  3. void plclr()
  4. {
  5.    PLINT level;
  6.    glev(&level);
  7.    if (level < 1)
  8.       plexit("Please call plstar before calling plclr.");
  9.  
  10.    grclr();
  11. }
  12.