#include 
  #include 

  int main(void)
  {
    char ch;

	printf("tapez 'q'

  #include 
  #include 

  int main(void)
  {

  /*
    int isupper(char ch): ret

  #include 
  #include 

  int main(void)
  {

	/*
     int isxdigit(char ch): Re

    


 

#include 
#include 

int main(void)
{
/*
 tolower(char ch): Renvoie la

  #include 
  #include 

  int main(void)
  {
    char ch;

	printf("Tapez une let

  #include 
  #include 

  int main(void)
  {
    char ch;

   printf("Tapez un c

 
  #include 
  #include 

  int main(void)
  {
    char ch;

	printf("Tapez un c

  #include 
  #include 

  int main(void)
  {
    char ch;

	printf("tapez 'q' pou

   
  

  #include 
  #include 

  int main(void)
  {
    char ch;

    for(;;) {

    


 

#include 
#include 

int main(void)
{
/*
 tolower(char ch): Renvoie la