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/*
* 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;
}
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