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File functions

Open a file, read a file and write to a file #include <stdio.h> int main() { float sales , commission; FILE *fin, *fout; fin = fopen("d:\\sales.dat","r"); fout = fopen("d:\\commission.dat","w"); while (fscanf(fin,"%f",&sales) != EOF) { fprintf(fout,"Your sales for the year were %8.2f \n",sales); if(sales < 30000) commission = sales / 100 * 5; else commission = sales / 100 * 10; fprintf(fout,"Your commission is %8.2f",commission); } return 0; }