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How do you write a c program to find out whether the given input string is an identifier or not?
#include<stdio.h>
#include<conio.h>
#include<string.h>
void main()
{
int i,flag=0,m;
char s[5][10]={"if","else","goto","continue","return"},st[10];
clrscr();
printf("\n enter the string");
gets(st);
for(i=0;i<5;i++)
{
m=strcmp(st,s[i]);
if(m==0)
flag=1;
}
if(flag==0)
printf("\n it is not keyword");
else
printf("\n it is a keyword");
getch();
}
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