RosettaCodeData/Task/Queue-Usage/C/queue-usage.c

32 lines
480 B
C

#include <stdio.h>
#include <stdlib.h>
#include <stdbool.h>
#include <sys/queue.h>
/* #include "fifolist.h" */
int main()
{
int i;
FIFOList head;
TAILQ_INIT(&head);
/* insert 20 integer values */
for(i=0; i < 20; i++) {
m_enqueue(i, &head);
}
/* dequeue and print */
while( m_dequeue(&i, &head) )
printf("%d\n", i);
fprintf(stderr, "FIFO list %s\n",
( m_dequeue(&i, &head) ) ?
"had still an element" :
"is void!");
exit(0);
}