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  1. #include <stdio.h>
  2.  
  3. void showfile_(FILE *f)
  4. {
  5.     char line[65536];
  6.     int i = 1;
  7.     while (fgets(line, 65536, f) != NULL)
  8.     {
  9.         printf("%3d:%s", i, line);
  10.         i++;
  11.     }
  12. }
  13.  
  14. void showfile(char* filename)
  15. {
  16.     FILE *f = fopen(filename, "r");
  17.     if (f != NULL)
  18.     {
  19.         showfile_(f);
  20.         fclose(f);
  21.     }
  22. }
  23.  
  24. int main(void)
  25. {
  26.     char filename[256];
  27.     printf("Please input filename...");
  28.     scanf("%s", filename);
  29.     showfile(filename);
  30.  
  31.     return 0;
  32. }
  33.  
Not running #stdin #stdout 0s 0KB
comments (?)
stdin 
Standard input is empty
stdout 
Standard output is empty
https://ideone.com/ZJYpoc
language:
C (gcc 8.3)
created:
11 years ago
visibility:
public

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