CONCATENATE MANY FILES AND STORE THEM IN A FILE IN C

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Concatenate many files and store them in a file in c programming language

#include<stdio.h>

 void concatenate(FILE *fp1,FILE *fp2,char *argv[],int argc);

 int main(int argc,char *argv[]){

   FILE *fp1,*fp2;

   concatenate(fp1,fp2,argv,argc);

   return 0;

 }

void concatenate(FILE *fp1,FILE *fp2,char **argv,int argc){

   int i,ch;

   fp2=fopen("files","a");

   for(i=1;i<argc-1;i++){

      fp1=fopen(argv[i],"r");

      while((ch=getc(fp1))!=EOF)

      putc(ch,fp2);

   }

 } 

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