[unix-history] / usr / src / libc / stdio / fgets.c

#include	<stdio.h>

char *
fgets(s, n, iop)
char *s;
register FILE *iop;
{
	register c;
	register char *cs;

	cs = s;
	while (--n>0 && (c = getc(iop))>=0) {
		*cs++ = c;
		if (c=='\n')
			break;
	}
	if (c<0 && cs==s)
		return(NULL);
	*cs++ = '\0';
	return(s);
}
Commit	Line	Data
18e5fa7e BJ	1	#include <stdio.h>
	2
	3	char *
	4	fgets(s, n, iop)
	5	char *s;
	6	register FILE *iop;
	7	{
	8	register c;
	9	register char *cs;
	10
	11	cs = s;
	12	while (--n>0 && (c = getc(iop))>=0) {
	13	*cs++ = c;
	14	if (c=='\n')
	15	break;
	16	}
	17	if (c<0 && cs==s)
	18	return(NULL);
	19	*cs++ = '\0';
	20	return(s);
	21	}