C program to File to File Copy using command line arguments

Below is C program to File Copy using command line arguments .

Program:

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/* File Copy using command line arguments */   #include<stdio.h> int main(int argc,char *argv[]) {  FILE *fs,*ft;  int ch;  if(argc!=3)  {   printf("Invalide numbers of arguments.");   return 1;  }  fs=fopen(argv[1],"r");  if(fs==NULL)  {   printf("Can't find the source file.");   return 1;  }  ft=fopen(argv[2],"w");  if(ft==NULL)  {   printf("Can't open target file.");   fclose(fs);   return 1;  }    while(1)  {   ch=fgetc(fs);   if (feof(fs)) break;   fputc(ch,ft);  }    fclose(fs);  fclose(ft);  return 0; }