Package: manpages-dev
Version: 2.17-1
Severity: minor

Hi,

struct msgbuf is only defined in linux/msg.h if __USE_GNU is defined,
i.e. if the programmer has defined _GNU_SOURCE. But the manpage doesn't
document that.

#define _GNU_SOURCE

should be added before

#include <sys/types.h>
#include <sys/ipc.h>
#include <sys/msg.h>

int msgsnd(int msqid, struct msgbuf *msgp, size_t msgsz, int msgflg);

ssize_t  msgrcv(int msqid, struct msgbuf *msgp, size_t msgsz, long msg-
typ, int msgflg);

Regards,
Samuel


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