#include <stdio.h><br />#include <stdlib.h><br /><br />void main(void)<br />{<br />FILE *file;<br />FILE *log; <br />double tmp;<br />if ((log = fopen("log.txt","w"))==NULL)<br /> {<br /> exit(1);<br /> }<br /><br />if ((file = fopen("test.ini","r"))==NULL)<br /> {<br /> fprintf(log,"
Cannot open input file!
");<br /> exit(1);<br /> } <br />fscanf(file, "%lf",&tmp);<br />fprintf(log,"data is :%lf
",tmp);<br />fclose(file);<br />fclose(log);<br />}
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