/*
* fgets.c
*
* This will be very slow due to the implementation of getc(),
* but we can't afford to drain characters we don't need from
* the input.
*/
#include <stdio.h>
char *fgets(char *s, int n, FILE * f)
{
int ch;
char *p = s;
while (n > 1) {
ch = getc(f);
if (ch == EOF) {
*p = '\0';
return (p == s) ? NULL : s;
}
*p++ = ch;
if (ch == '\n')
break;
n--;
}
if (n)
*p = '\0';
return s;
}