fork download
copy 
  1. #include <stdio.h>
  2. #include <ctype.h>
  3.  
  4.  
  5. int searchnext(FILE*f, const char*s)
  6. {
  7.   int c;
  8.   fpos_t p;  fgetpos(f, &p);
  9.   c = fgetc(f);  if (c == EOF) return 0;
  10.   if (tolower((unsigned char)c) == tolower((unsigned char)*s))
  11.   {
  12.     if (!*++s) return 1;
  13.     else
  14.       return searchnext(f, s);
  15.   }
  16.   fsetpos(f, &p);
  17.   return 0;
  18. }
  19.  
  20. int searchfor(FILE*f, const char*s)
  21. {
  22.   int c;
  23.   while ((c = fgetc(f)) != EOF)
  24.   {
  25.     if (tolower((unsigned char)c) == tolower((unsigned char)*s) && searchnext(f, s + 1)) return 1;
  26.   }
  27.   return 0;
  28. }
  29.  
  30. int main(int argc,char**argv)
  31. {
  32.   return searchfor(stdin, argv[1]);
  33. }
  34.  
Success #stdin #stdout 0s 10320KB
comments (?)
stdin
copy 
Standard input is empty
stdout
copy 
Standard output is empty
https://ideone.com/yeRlZ9
language:
C (gcc 8.3)
created:
7 years ago
visibility:
public

Share or Embed source code

Discover > Sphere Engine API

The brand new service which powers Ideone!

Discover > IDE Widget

Widget for compiling and running the source code in a web browser!