How to COmpare Strings

0 votes
asked Dec 29, 2017 by [email protected]
check this program

#include <stdio.h>

int main()
{
    char option[20];
    printf(" Y-Yes       N-No \n");
        scanf("%s", &option);

        
            if (strcmp(option) == "Y" );
                {
                printf("Its a yes \n");}
                
            else
            
             printf("Its no \n %s", option);}

    return 0;
}

1 Answer

0 votes
answered Jan 5, 2018 by Help4fun
You didn't compare anything here, strcmp is used to compare two strings in their order in alphabete.

For example:

 char a[]="Learn this";
 char b[]="Learn tzis";

printf("%d",strcmp(a,b));  ==>> -1, because 'h' appears faster in the aphabete than 'z'

If 'h' would appear after 'z' in the alphabete, after printf you'd have get 1, and if the two strings were the same, no letters changed, you'd have get 0.
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