minix/lib/stdio/fgets.c

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2005-04-21 16:53:53 +02:00
/*
* fgets.c - get a string from a file
*/
/* $Header$ */
#include <stdio.h>
char *
fgets(char *s, register int n, register FILE *stream)
{
register int ch;
register char *ptr;
ptr = s;
while (--n > 0 && (ch = getc(stream)) != EOF) {
*ptr++ = ch;
if ( ch == '\n')
break;
}
if (ch == EOF) {
if (feof(stream)) {
if (ptr == s) return NULL;
} else return NULL;
}
*ptr = '\0';
return s;
}