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

int main()
{
char buffer[1000], char infile[MAX_PATH]; //Declare char arrays, MAX_PATH is 256
FILE *in; //Declare FILE pointer

printf("Enter a file to read:\n"); //print instuctions
gets(infile); //Get the file to be read

in = fopen(infile, "rb"); //Assign in pointer to specified file, r stands for read, and b stand for binary, not always necessary, I just do it out of habit
if(in == NULL) {printf("Inavilid file name"); return 1;} //Check for errors

//Read in the file, 1st argument=string to read to
//2nd argument=I forget, almost always set to 1 though
//3rid argument=how many characters to read in
//4rth argument=file handle to read from
fread(buffer, 1, 1000, in);
puts(buffer); //prints string to stdout

fclose(in); //don't forget to close file

return 0;
}

//buffer is read in file...
//Declare variables
char *outbuf;
int i = 0;

outbuf = (char*)malloc(/*whatever size needed*/); //allocate memory
if(outbuf == NULL) {perror("Memory Error"); return 1;} /*check for errors, perror() adds a colon and space to the string you give it, then prints the most recent error*/

while(i</*length of file read in or strlen(buffer)*/)
{
if((buffer[i] == '\r') && (buffer[i+1] == '\n')) //if newline
{
strcat(outbuf, "<br>");
i+=2;
}
else if(buffer[i] == '\n') //if other type of newline
{
strcat(outbuf, "<br>");
i++;
}
else if(buffer[i] == '\t') //if tab
{
//You'll need additional processing to tell when to open and close the <p> tag.
strcat(outbuf, "<p>");
i++;
}
//more flags...
else //if not a tag
{
strcat(outbuf, buffer[i]);
i++;
}
}
//...

char line[1000];
char buffer[1000];

while (fgets(buffer,sizeof(buffer),fpin)!=EOF)  //Where "fpin" is an input file pointer
{
  /* Process the string captured from file in char array "buffer" */
      
      sprintf(line,"<b> %s </b>", buffer);  
 /* now "line" contains your html formatted line. Write it to your new file */
  
      fprintf(fpout,"%s\n",line); //Where "fpout" is an output file pointer


}

char line[1000];
char buffer[1000];

while (fgets(buffer,sizeof(buffer),fpin)!=EOF)  //Where "fpin" is an input file pointer
{
  /* Process the string captured from file in char array "buffer" */
      
      sprintf(line,"%s<br>", buffer);  
 /* now "line" contains your html formatted line. Write it to your new file */
  
      fprintf(fpout,"%s",line); //Where "fpout" is an output file pointer


}

buffer[strlen(buffer)-1]='\0';