lem_in/libft/srcs/ft_isnumeric.c

30 lines
1.1 KiB
C

/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* ft_isnumeric.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: mndhlovu <mndhlovu@student.42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2019/04/26 10:17:04 by mndhlovu #+# #+# */
/* Updated: 2019/04/29 11:20:54 by mndhlovu ### ########.fr */
/* */
/* ************************************************************************** */
#include "libft.h"
int ft_isnumeric(char *str)
{
int index;
index = 0;
if (str[index] == '-' || str[index] == '+')
index++;
while (str[index] != '\0')
{
if (!ft_isdigit(str[index]))
return (0);
index++;
}
return (1);
}