>> words1='situate';
>> words2='situp';
>> N=strcmp(words1,words2)
N =
     0
>> Y=strncmp(words1,words2,3)
Y =
     1
>> N=strncmp(words1,words2,4)
N =
     1
>> N=strncmp(words1,words2,5)
N =
     0
>>
