#include <unistd.h>
int ft_str_is_numeric(char *str)
{
while (*str != '\0')
{
if (*str >= 48 && *str <= 57)
str++;
else
return (0);
}
return (1);
}
int main(void)
{
char str[] = "0123456789";
if (ft_str_is_numeric(str))
write(1, "1", 1);
else
write(1, "0", 1);
return (0);
}
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