leesin

#include <stdio.h> #include <stdlib.h> int main(void) { double a = 0.0; double b = 0.0; scanf("%lf", &a); printf("\nThe first number is %f", a); getchar(); return EXIT_SUCCESS; } The question is : how can the program continually re-prompt I mean when i enter the number, and then the number i entered …

Hi everyone, i got a question about the fscanf. I input a file and scan the data in the file. It works good that if there are integers in line1,2,3,4 in the file. However, it does not work good with empty file or the file only has dat in line …

I want the program can do that for me. When I enter the name of file in the same folder of .exe, the program will scan the file data and print it out the data in order. However, i do not know how to scan the data in the file …