piscine-c02/ex03/ft_str_is_numeric.c

39 lines
1.2 KiB
C

/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* ft_str_is_numeric.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: tischmid <marvin@42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2023/03/19 10:33:26 by tischmid #+# #+# */
/* Updated: 2023/03/24 01:36:42 by tischmid ### ########.fr */
/* */
/* ************************************************************************** */
int ft_str_is_numeric(char *str)
{
int i;
i = 0;
while (str[i] >= '0' && str[i] <= '9')
{
++i;
}
return (str[i] == '\0');
}
/* ////
#include <stdio.h>
#define STR "0123456789"
int main(void)
{
printf(STR "\n");
if (ft_str_is_numeric(STR))
printf("Is numeric\n");
else
printf("Is not numeric\n");
return (0);
}
*/ ////