Mine

#include <stdio.h>
#include <stdlib.h>
#include <string.h>

float uMajuscule (char x []);

int main ()
{
	char chaine[50];
	printf("Entrez un texte : ");
	gets(chaine);
	printf("Il y a %.0f U majuscules.",uMajuscule(chaine));

printf("\n\n");
system("PAUSE");
return 0;
}

float uMajuscule (char x [])
{
	int u = 0, i;
	for (i = 0 ; x[i] != '\0' ; i++)
	{
		if (x[i] == 'U')
			u++;
	}
	return u;
}