# include“ stdio.h main( i FILE *fpin; ch char c f(fpin- fopen(“ file a dat,r”)=NULL) printf( cant open this file! n); exit(O)) ch=fgetc(fpin) while(ch!=EOF i putchar(ch); ch=fgetc(fpin); 1 fclose(fpin) <#include “stdio.h” main() { FILE *fpin; char ch; if((fpin=fopen(“file_a.dat,”r”))==NULL) {printf(“can’t open this file!\n);exit(0) } ch=fgetc (fpin); while(ch!=EOF) { putchar(ch); ch=fgetc(fpin);} fclose(fpin); }