1pass.c

#include<stdio.h>
#include<stdlib.h>
#include<string.h>

void main()
{
  FILE *p;
  char label[100],opcode[100],operand[100],c;
  
  p = fopen("assembly.txt","r");
  while((c= fgetc(p) !=  EOF)
  {
    if (feof(p))
          break;
printf("%c\n",c);
}