/* primer76.c - poredjenje niski - gruba sila
 *
 *              pat - obrazac koji se trazi u niski text
 *              mark - vraca pocetak podniske u text koja poredi pat
 *                     ili NULL */
#include <stdio.h>
#include <string.h>

#define EOS '\0'   // simbol kraja niske
#define MAXP 10    // max. duzxina obrasca
#define MAXT 1000  // max. duzxina teksta

char *gruba_sila( char *, char * );

main(int argc, char *argv[]) {
   char pat[MAXP];
   char text[MAXT];
   char *mark;

   strcpy(pat, argv[1]);
   strcpy(text, argv[2]);
   mark = gruba_sila( pat, text );

   printf("%s\n", mark );
}
char *gruba_sila( char *pat, char *text ) {
     int m;
 
     if( *pat == EOS ) return( text );
     m = strlen(pat);
     for( ; *text != EOS; text++ )
          if( strncmp( pat, text, m ) == 0 ) return( text ); 
     return( NULL );
}