📄 cmsg_extras.h
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#ifndef VSF_CMSG_EXTRAS_H#define VSF_CMSG_EXTRAS_H#include <sys/types.h>#include <sys/socket.h>/* These are from Linux glibc-2.2 */#ifndef CMSG_ALIGN#define CMSG_ALIGN(len) (((len) + sizeof (size_t) - 1) \ & ~(sizeof (size_t) - 1))#endif#ifndef CMSG_SPACE#define CMSG_SPACE(len) (CMSG_ALIGN (len) \ + CMSG_ALIGN (sizeof (struct cmsghdr)))#endif#ifndef CMSG_LEN#define CMSG_LEN(len) (CMSG_ALIGN (sizeof (struct cmsghdr)) + (len))#endif#endif /* VSF_CMSG_EXTRAS_H */
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