//program to convert any infix expression to its post-fix form (BODMAS)
#include "stdio.h"
int top=-1;
void main()
{
void push(char,char []);
char pop(char []);
int pref(char,char []);
char as[20],fi[20],s[50];
int y=0,i=0,j=0;
printf("Enter a string infix :");
gets(as);
for(i=0;as[i]!='\0';i++)...