#include <stdio.h>
int ft_isalnum(int c)
{
if ((c >= 'A' && c <= 'Z') || (c >= 'a' && c <= 'z')
|| (c >= '0' && c <= '9'))
{
return (1);
}
else
{
return (0);
}
}
int main(void)
{
char c;
c = '-';
if (ft_isalnum(c))
{
printf("Le caractere (%c) est bien un caractere alphanumerique", c);
}
else
{
printf("Le caractere (%c) n'est pas un caractere alphanumerique", c);
}
printf("\n");
return (0);
}
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