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thanks.here's an example:

//module sup
#include "module_inf.h"
int var;
//modify var
void modif_var(void){
var=0;
//call of a function of module1 which reads var and do other instructions...

thx for reply but i haven't other choice i must use global variables.so which solution seems to work better?

hi;
i have a project with many modules. my questions are :
-if functions of module_superior call functions of module_inferior can i access global variable of module_superior in module_inferior(the...

hi;
do i need to use free with each malloc?
how could i free memory in this function:


char *function(){
char * p=malloc(10*sizeof(char));
.......
....
return p;

hello;
What is the difference between synchronous and asynchronous functions?
How could i make an asynchronous function synchronous ?

hello;
i need a simple ftp client implementation in C.i searched google but i found complicated code.thx