Memory Management [POSIX Section 12]

int mlockall( int flags ); 
int munlockall( void ); 
int mlock( const void *addr, size_t len ); 
int munlock( const void *addr, size_t len ); 
void mmap( void *addr, size_t len, int prot, int flags, 	 
	   int fd, off_t off ); 
int munmap( void *addr, size_t len ); 
int mprotect( const void *addr, size_t len, int prot ); 
int msync( void *addr, size_t len, int flags ); 
int shm_open( const char *name, int oflag, mode_t mode ); 
int shm_unlink( const char *name );