Answer Posted / yathish m yadav

#include<conio.h>
int strcmp(char *,char *);

char a[10],b[10];
void main()
{
int c;
printf("enter the first string\n");
scanf("%s",a);
printf("enter the second string\n");
scanf("%s",b);
c=strcmp(a,b);
switch(c)
{
case 1: printf("first string is larger then second");
break;
case 2: printf("second is greater than first");
break;
case 3: printf("not equal");
break;
case 4: printf("the strings are equal");
break;
}
getch();
}

int strcmp(char *p,char *q)
{
int m,n;
m=strlen(p);
n=strlen(q);
if(m>n){
return (1);}
else if(n>m){
return (2);}
for(i=0;i<m;i++)
{
if(p[i]!=q[i])
return(3);
}
return(4);
}

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