#include <stdio.h>
#include <string.h>
char	*ft_strcapitalize(char *str)
{
	int	index;

	index = 0;
	while (str[index] != '\0')
	{
		if ((str[index] >= 'a' && str[index] <= 'z')
				&& (index == 0 || str[index - 1] == ' '
				|| str[index -1] == '+' || str[index -1] == '-'))
		{
			str[index] = str[index] - 32;
		}
		index++;
	}
	return (str);
}
int main() {
    char str[] = "salut, comment tu vas ? 42mots quarante-deux; cinquante+et+un qwdlh280++s7ed  3j;b3";
    char d[10];
    ft_strcapitalize(str);
    printf("%s\n", str);
    strcpy(d, str);
    printf("%s\n", d);

    return 0;
}