how to copy contents in one file in to another file in c?

Question

i want to copy contents in one file in to another file.

fPout=fopen("parse.txt","r")

fPin=fopen("dpl.txt","w")

 

 do

 {

       a = fgetc(fPParse);

      fputc(a,fPOut);

 }

    while(a!=EOF);

i'm using this method but it shows error while compiling like multiple declaration,type mismatch etc. Also i've tried fread function but it doesn't work please help.....