BuildSystem: Move all userpace libraries under the userspace directory

As the number of libraries is increasing, root directory starts to
expand. This adds better organization for libraries

userspace/libraries/LibC/include/stropts.h

@@ -0,0 +1,153 @@
+#ifndef _STROPTS_H
+#define _STROPTS_H 1
+
+// https://pubs.opengroup.org/onlinepubs/9699919799/basedefs/stropts.h.html
+
+#include <sys/cdefs.h>
+
+__BEGIN_DECLS
+
+#define __need_uid_t
+#define __need_gid_t
+#include <sys/types.h>
+
+typedef __UINT32_TYPE__ t_uscalar_t;
+typedef __INT32_TYPE__ t_scalar_t;
+
+struct bandinfo
+{
+	int				bi_flag;	/* Flushing type. */
+	unsigned char	bi_pri;		/* Priority band. */
+};
+
+struct strbuf
+{
+	char*	buf;	/* Pointer to buffer. */
+	int		len;	/* Length of data. */
+	int		maxlen;	/* Maximum buffer length. */
+};
+
+struct strpeek
+{
+	struct strbuf	ctlbuf;		/* The control portion of the message. */
+	struct strbuf	databuf;	/* The data portion of the message. */
+	t_uscalar_t		flags;		/* RS_HIPRI or 0. */
+};
+
+struct strfdinsert
+{
+	struct strbuf	ctlbuf;		/* The control portion of the message. */
+	struct strbuf	databuf;	/* The data portion of the message. */
+	int				fildes;		/* File descriptor of the other STREAM. */
+	t_uscalar_t		flags;		/* RS_HIPRI or 0. */
+	int				offset;		/* Relative location of the stored value. */
+};
+
+struct strioctl
+{
+	int		ic_cmd;		/* ioctl() command. */
+	char*	ic_dp;		/* Pointer to buffer. */
+	int		ic_len;		/* Length of data. */
+	int		ic_timout;	/* Timeout for response. */
+};
+
+struct strrecvfd
+{
+	int		fd;		/* Received file descriptor. */
+	gid_t	gid;	/* GID of sender. */
+	uid_t	uid;	/* UID of sender. */
+};
+
+#define FMNAMESZ 128
+
+struct str_mlist
+{
+	char	l_name[FMNAMESZ+1];	/* A STREAMS module name. */
+};
+
+struct str_list
+{
+	struct str_mlist*	sl_modlist;	/* STREAMS module names. */
+	int					sl_nmods;	/* Number of STREAMS module names. */
+};
+
+#define I_ATMARK	1
+#define I_CANPUT	2
+#define I_CKBAND	3
+#define I_FDINSERT	4
+#define I_FIND		5
+#define I_FLUSH		6
+#define I_FLUSHBAND	7
+#define I_GETBAND	8
+#define I_GETCLTIME	9
+#define I_GETSIG	10
+#define I_GRDOPT	11
+#define I_GWROPT	12
+#define I_LINK		13
+#define I_LIST		14
+#define I_LOOK		15
+#define I_NREAD		16
+#define I_PEEK		17
+#define I_PLINK		18
+#define I_POP		19
+#define I_PUNLINK	20
+#define I_PUSH		21
+#define I_RECVFD	22
+#define I_SENDFD	23
+#define I_SETCLTIME	24
+#define I_SETSIG	25
+#define I_SRDOPT	26
+#define I_STR		27
+#define I_SWROPT	28
+#define I_UNLINK	29
+
+#define FLUSHR	1
+#define FLUSHRW	2
+#define FLUSHW	3
+
+#define S_BANDURG	1
+#define S_ERROR		2
+#define S_HANGUP	3
+#define S_HIPRI		4
+#define S_INPUT		5
+#define S_MSG		6
+#define S_OUTPUT	7
+#define S_RDBAND	8
+#define S_RDNORM	9
+#define S_WRBAND	10
+#define S_WRNORM	11
+
+#define RS_HIPRI 1
+
+#define RMSGD		1
+#define RMSGN		2
+#define RNORM		3
+#define RPROTDAT	4
+#define RPROTDIS	5
+#define RPROTNORM	6
+
+#define SNDZERO 1
+
+#define ANYMARK		1
+#define LASTMARK	2
+
+#define MUXID_ALL 1
+
+#define MORECTL		1
+#define MOREDATA	2
+#define MSG_ANY		3
+#define MSG_BAND	4
+#define MSG_HIPRI	5
+
+int fattach(int, const char*);
+int fdetach(const char*);
+int getmsg(int, struct strbuf* __restrict, struct strbuf* __restrict, int* __restrict);
+int getpmsg(int, struct strbuf* __restrict, struct strbuf* __restrict, int* __restrict, int* __restrict);
+int ioctl(int, int, ...);
+int isastream(int);
+int putmsg(int, const struct strbuf*, const struct strbuf*, int);
+int putpmsg(int, const struct strbuf*, const struct strbuf*, int, int);
+
+__END_DECLS
+
+#endif