fgets.c

来自「mips架构的bootloader,99左右的版本 但源代码现在没人更新了」· C语言 代码 · 共 33 行

/*************************************************************
 * File: lib/fgets.c
 * Purpose: Part of C runtime library
 * Author: Phil Bunce ([e-mail])
 * Revision History:
 *	970304	Start of revision history
 */

#include <stdio.h>

/*************************************************************
*  char *fgets(dst,max,fp) get string from stream
*/
char *fgets(dst,max,fp)
char *dst;
int max;
FILE *fp;
{
int c,n; 
char *p;
/* get max bytes or upto a newline */

for (p=dst,max--;max>0;max--) {
	if ((c=getc(fp)) == EOF) break;
	*p++ = c;
	if (c == '\n') break;
	}
*p = 0;
if (p == dst) return(0);
return(p);
}