///////    strmatch.C    ///////
#include <iostream.h>

int string_match(char str[], char line[])
{     if ( str[0] == '\0')           // str is empty
      {   cerr << "string_match: empty match string\n";
          return(-1);
      }
      for (int i = 0 ; line[i] != '\0' ; i++)
      {   if ( line[i] != str[0] )   // first chars different
              continue;              // skip rest of loop body
          // compare remaining characters
          // untill first mismatch or end of string
          for ( int j = i + 1, k = 1;
                line[j]==str[k] && str[k] != '\0';
                j++, k++
              ) { }
          if ( str[k] == '\0')       // end of str is reached
              return(1);             // successful match
          else if (line[j] == '\0')  // end of line is reached
              return(0);             // no match possible any more
      }
      return(0);                     // failed to match
}