Advanced Programming in the UNIX® Environment

ptg10805159

878 Function Prototypes Appendix A

void *realloc(void *ptr,size_tnewsize);

<stdlib.h> p. 207

Returns: non-null pointer if OK,NULLon error

ssize_t recv(intsockfd,void *buf,size_tnbytes,intflags);

<sys/socket.h> p. 612

flags:MSG_PEEK, MSG_OOB, MSG_WAITALL,

MSG_CMSG_CLOEXEC(Linux 3.2.0),

MSG_DONTWAIT(FreeBSD 8.0, Linux 3.2.0,

Solaris 10),

MSG_ERRQUEUE(Linux 3.2.0),

MSG_TRUNC(Linux 3.2.0)

Returns: length of message in bytes, 0 if no messages are

available and peer has done an orderly shutdown,

or−1 on error

ssize_t recvfrom(intsockfd,void *restrictbuf,size_tlen,intflags,

struct sockaddr *restrictaddr,

socklen_t *restrictaddrlen);

<sys/socket.h> p. 613

flags:MSG_PEEK, MSG_OOB, MSG_WAITALL

MSG_CMSG_CLOEXEC(Linux 3.2.0),

MSG_DONTWAIT(FreeBSD 8.0, Linux 3.2.0,

Solaris 10),

MSG_ERRQUEUE(Linux 3.2.0),

MSG_TRUNC(Linux 3.2.0)

Returns: length of message in bytes, 0 if no messages are

available and peer has done an orderly shutdown,

or−1 on error

ssize_t recvmsg(intsockfd,struct msghdr *msg,intflags);

<sys/socket.h> p. 613

flags:MSG_PEEK, MSG_OOB, MSG_WAITALL

MSG_CMSG_CLOEXEC(Linux 3.2.0),

MSG_DONTWAIT(FreeBSD 8.0, Linux 3.2.0,

Solaris 10),

MSG_ERRQUEUE(Linux 3.2.0),

MSG_TRUNC(Linux 3.2.0)

Returns: length of message in bytes, 0 if no messages are

available and peer has done an orderly shutdown,

or−1 on error

int remove(const char *path);

<stdio.h> p. 119

Returns: 0 if OK,−1 on error

int rename(const char *oldname,const char *newname);

<stdio.h> p. 119

Returns: 0 if OK,−1 on error