memory management - C, set a variable in a structure -

i have problem program written in c. indeed, stops @ line e->identifiant=0;

code :

struct evenement* e=(struct evenement*)(malloc(sizeof(struct evenement))); e->identifiant=0; 

with :

struct evenement{ int identifiant; char titre[100]; struct creneau creneau; char lieu[50]; char description[500]; }; 

have idea ?

i compiled , run this:

#include <stdio.h> #include <stdlib.h>  struct evenement{ int identifiant; char titre[100]; char lieu[50]; char description[500]; };  int main() {     struct evenement* e=(struct evenement*)(malloc(sizeof(struct evenement)));     e->identifiant = 0;     printf("%d", e->identifiant);     return 0; } 

and, there no problem. can tell error?

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i deleted struct creneau creneau; line, beacuse no description of it. can problem?