C program for Syntax Analyzer

#include<stdio.h>
#include<conio.h>
#include<string.h>
#include<ctype.h>
void main()
{
int i,j,k=0,count,inc=0,n;
char name[30],open[30],ch,chh,o[30];
char op[20]={'=','+','-','*','/','%','^','&','|'};
clrscr();
textcolor(3);
cprintf("--Syntax Analyser--");
printf("\n");
printf("\n Enter Syntax");
printf("\n");
scanf("%s",name);
n=strlen(name);
for(i=0;i<n;i++)
{
ch=tolower(name[i]);
for(j=0;j<9;j++)
{
if(ch==op[j])
{
open[k]=i;
o[k]=ch;
k++;
}
}
}
for(i=0;i<k;i++)
{
count=open[i];
ch=tolower(name[count-1]);
chh=tolower(name[count+1]);
if(isalpha(ch)&&isalpha(chh)||isdigit(chh))
++inc;
}
if(k==inc)
printf("\n %s is a valid syntax",name);
else
printf("\n %s is an invalid syntax",name);
getch();
}

#include<stdio.h> #include<conio.h> #include<string.h> #include<ctype.h> void main() { int i,j,k=0,count,inc=0,n; char name[30],open[30],ch,chh,o[30]; char op[20]={'=','+','-','*','/','%','^','&','|'}; clrscr(); textcolor(3); cprintf("--Syntax Analyser--"); printf("\n"); printf("\n Enter Syntax"); printf("\n"); scanf("%s",name); n=strlen(name); for(i=0;i<n;i++) { ch=tolower(name[i]); for(j=0;j<9;j++) { if(ch==op[j]) { open[k]=i; o[k]=ch; k++; } } } for(i=0;i<k;i++) { count=open[i]; ch=tolower(name[count-1]); chh=tolower(name[count+1]); if(isalpha(ch)&&isalpha(chh)||isdigit(chh)) ++inc; } if(k==inc) printf("\n %s is a valid syntax",name); else printf("\n %s is an invalid syntax",name); getch(); }