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

/* @(#)fgets.c	4.1 (Berkeley) %G% */
#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
0175c543 BJ	1	/* @(#)fgets.c 4.1 (Berkeley) %G% */
	2	#include <stdio.h>
	3
	4	char *
	5	fgets(s, n, iop)
	6	char *s;
	7	register FILE *iop;
	8	{
	9	register c;
	10	register char *cs;
	11
	12	cs = s;
	13	while (--n>0 && (c = getc(iop))>=0) {
	14	*cs++ = c;
	15	if (c=='\n')
	16	break;
	17	}
	18	if (c<0 && cs==s)
	19	return(NULL);
	20	*cs++ = '\0';
	21	return(s);
	22	}