#include <alloc.h>
#include <stdlib.h>
#include <string.h>
#define NULL 0
FILE *fp;
char cbuffer;
char *key[8]={"if","else","for","while","do","return","break","continue"};
char *border[6]={",",";","{","}","(",")"};
char *arithmetic[4]={"+","-","*","/"};
char *relation[6]={"<","<=","=",">",">=","<>"};
char *consts[20];
char *label[20];
int constnum=0,labelnum=0;
int search(char searchchar[],int wordtype)
{
int i=0;
switch (wordtype) {
case 1:for (i=0;i<=7;i++)
{
if (strcmp(key[i],searchchar)==0)
return(i+1);
}
case 2:{for (i=0;i<=5;i++)
{
if (strcmp(border[i],searchchar)==0)
return(i+1);
} return(0);
}
case 3:{for (i=0;i<=3;i++)
{
if (strcmp(arithmetic[i],searchchar)==0)
{
return(i+1);
}
}
return(0);
