#include <stdio.h> main() { char *filename; FILE *fp1, *fp2; int i, number; fp1 = fopen(\"TEST\", \"w\"); for(i = 10; i <= 100; i += 10) putw(i, fp1); fclose(fp1); printf(\"\\nInput filename\\n\"); open_file: scanf(\"%s\", filename); if((fp2 = fopen(filename,\"r\")) == NULL) { printf(\"Cannot open the file.\\n\"); printf(\"Type filename again.\\n\\n\"); goto open_file; } else for(i = 1; i <= 20; i++) { number = getw(fp2); if(feof(fp2)) { printf(\"\\nRan out of data.\\n\"); break; } else printf(\"%d\\n\", number); } fclose(fp2); } Output Input filename TETS Cannot open the file. Type filename again. TEST 10 20 30 40 50 60 70 80 90 100 Ran out of data.