ckf_int.c

来自「操作系统SunOS 4.1.3版本的源码」· C语言 代码 · 共 42 行

#ifndef lint
static	char	sccsid[] = "@(#) ckf_int.c 1.1@(#)ckf_int.c 1.1 92/07/30";
#endif

/*
 *	Name:		ckf_int.c
 *
 *	Description:	Determine if a field is an integer.  If the field
 *		is a valid integer, then one is returned.  Otherwise, zero
 *		is returned.
 *
 *	Call syntax:	ret_code = ckf_int(arg_p, field_p);
 *
 *	Parameters:	pointer		arg_p;
 *			char *		field_p;
 *
 *	Return value:	int		ret_code;
 */

#include "menu.h"


int
ckf_int(arg_p, field_p)
	pointer		arg_p;
	char *		field_p;
{
	extern	int		atoi();


#ifdef lint
	arg_p = arg_p;
#endif

	if (atoi(field_p) == 0 && *field_p != '0') {
		menu_mesg("Field is not a valid integer.");
		return(0);
	}

	return(1);
} /* end ckf_int() */