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Processing plot.C(1,1)...
input_line_9:2:2: error: no matching function for call to 'plot'
 plot(1,1) /* invoking function corresponding to '.x' */
 ^~~~
/home/tpc/work/prodtest/plot.C:1:6: note: candidate function not viable: no known conversion from 'int' to 'const char *' for 2nd argument
void plot(const int istation=1, const char *desc="", const int logy=1) 
     ^