Лабораторная работа: Найти самое длинное общее слово двух заданных предложений

fprintf(f," Вторая строка:\n");

l2 = lev2;

do{

fseek(ff, l2, SEEK_SET);

fscanf(ff,"%s",input);

printf("%s ",input);

fprintf(f,"%s ",input);

l2= ftell(ff);

}while(l2 < prv2);

printf("\n\n");

fprintf(f,"\n\n");

getch();

//************************ алгоритм сравнения слов

fseek(ff, 0, SEEK_SET);

l1 = lev1;

//****************************************

b = 0;

p[0] = '\0';

//****************************************

k=0;

printf("********************************************\n");

fprintf(f,"********************************************\n");

do{

fseek(ff, l1, SEEK_SET);

fscanf(ff,"%s",buf);

l1 = ftell(ff);

l2 = lev2;

while ((cha(buf[strlen(buf)-1]) == 0)&&(strlen(buf) != 0)){

buf[strlen(buf)-1] = '\0';