34 lines
552 B
C
34 lines
552 B
C
|
#include <stdio.h>
|
||
|
|
#include <stdlib.h>
|
||
|
|
|
||
|
|
struct maillon_ {
|
||
|
|
char c;
|
||
|
|
struct maillon_* next;
|
||
|
|
};
|
||
|
|
|
||
|
|
typedef struct maillon_ maillon;
|
||
|
|
typedef maillon* file;
|
||
|
|
|
||
|
|
void push(file* f, char c) {
|
||
|
|
maillon* m = calloc(1, sizeof(maillon));
|
||
|
|
m->c = c;
|
||
|
|
|
||
|
|
if (*f == NULL) {
|
||
|
|
*f = m;
|
||
|
|
} else {
|
||
|
|
file* start = f;
|
||
|
|
file ff = *f;
|
||
|
|
while (ff->next != NULL) ff = ff->next;
|
||
|
|
ff->next = m;
|
||
|
|
f = start;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
char pop(file* f) {
|
||
|
|
char c = (*f)->c;
|
||
|
|
*f = (*f)->next;
|
||
|
|
}
|
||
|
|
|
||
|
|
int empty(file f) {
|
||
|
|
return f == NULL;
|
||
|
|
}
|